Algebra: Structure And Method, Book 1
(REV)00 Edition
ISBN: 9780395977224
Author: Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher: McDougal Littell
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 12.4, Problem 4MRE
To determine
To simplify: the given expression.
Expert Solution & Answer
Answer to Problem 4MRE
The simplified form of the expression is
Explanation of Solution
Given information:
Given expression,
Calculation:
Consider the given expression:
Now, simplify the expression as shown,
Hence, the simplified form of the expressionis
Chapter 12 Solutions
Algebra: Structure And Method, Book 1
Ch. 12.1 - Prob. 1OECh. 12.1 - Prob. 2OECh. 12.1 - Prob. 3OECh. 12.1 - Prob. 4OECh. 12.1 - Prob. 5OECh. 12.1 - Prob. 6OECh. 12.1 - Prob. 7OECh. 12.1 - Prob. 8OECh. 12.1 - Prob. 9OECh. 12.1 - Prob. 1WE
Ch. 12.1 - Prob. 2WECh. 12.1 - Prob. 3WECh. 12.1 - Prob. 4WECh. 12.1 - Prob. 5WECh. 12.1 - Prob. 6WECh. 12.1 - Prob. 7WECh. 12.1 - Prob. 8WECh. 12.1 - Prob. 9WECh. 12.1 - Prob. 10WECh. 12.1 - Prob. 11WECh. 12.1 - Prob. 12WECh. 12.1 - Prob. 13WECh. 12.1 - Prob. 14WECh. 12.1 - Prob. 15WECh. 12.1 - Prob. 16WECh. 12.1 - Prob. 17WECh. 12.1 - Prob. 18WECh. 12.1 - Prob. 19WECh. 12.1 - Prob. 20WECh. 12.1 - Prob. 21WECh. 12.1 - Prob. 22WECh. 12.1 - Prob. 23WECh. 12.1 - Prob. 24WECh. 12.1 - Prob. 25WECh. 12.1 - Prob. 26WECh. 12.1 - Prob. 27WECh. 12.1 - Prob. 28WECh. 12.1 - Prob. 29WECh. 12.1 - Prob. 30WECh. 12.1 - Prob. 31WECh. 12.1 - Prob. 32WECh. 12.1 - Prob. 33WECh. 12.1 - Prob. 34WECh. 12.1 - Prob. 35WECh. 12.1 - Prob. 36WECh. 12.1 - Prob. 37WECh. 12.1 - Prob. 38WECh. 12.1 - Prob. 39WECh. 12.1 - Prob. 40WECh. 12.1 - Prob. 41WECh. 12.1 - Prob. 42WECh. 12.1 - Prob. 43WECh. 12.1 - Prob. 44WECh. 12.1 - Prob. 45WECh. 12.1 - Prob. 46WECh. 12.1 - Prob. 47WECh. 12.1 - Prob. 48WECh. 12.1 - Prob. 49WECh. 12.1 - Prob. 1MRECh. 12.1 - Prob. 2MRECh. 12.1 - Prob. 3MRECh. 12.1 - Prob. 4MRECh. 12.1 - Prob. 5MRECh. 12.1 - Prob. 6MRECh. 12.1 - Prob. 7MRECh. 12.1 - Prob. 8MRECh. 12.2 - Prob. 1OECh. 12.2 - Prob. 2OECh. 12.2 - Prob. 3OECh. 12.2 - Prob. 4OECh. 12.2 - Prob. 5OECh. 12.2 - Prob. 6OECh. 12.2 - Prob. 1WECh. 12.2 - Prob. 2WECh. 12.2 - Prob. 3WECh. 12.2 - Prob. 4WECh. 12.2 - Prob. 5WECh. 12.2 - Prob. 6WECh. 12.2 - Prob. 7WECh. 12.2 - Prob. 8WECh. 12.2 - Prob. 9WECh. 12.2 - Prob. 10WECh. 12.2 - Prob. 11WECh. 12.2 - Prob. 12WECh. 12.2 - Prob. 13WECh. 12.2 - Prob. 14WECh. 12.2 - Prob. 15WECh. 12.2 - Prob. 16WECh. 12.2 - Prob. 17WECh. 12.2 - Prob. 18WECh. 12.2 - Prob. 19WECh. 12.2 - Prob. 20WECh. 12.2 - Prob. 21WECh. 12.2 - Prob. 22WECh. 12.2 - Prob. 23WECh. 12.2 - Prob. 24WECh. 12.2 - Prob. 25WECh. 12.2 - Prob. 26WECh. 12.2 - Prob. 27WECh. 12.2 - Prob. 28WECh. 12.2 - Prob. 29WECh. 12.2 - Prob. 30WECh. 12.2 - Prob. 1MRECh. 12.2 - Prob. 2MRECh. 12.2 - Prob. 3MRECh. 12.2 - Prob. 4MRECh. 12.2 - Prob. 5MRECh. 12.2 - Prob. 6MRECh. 12.2 - Prob. 7MRECh. 12.3 - Prob. 1OECh. 12.3 - Prob. 2OECh. 12.3 - Prob. 3OECh. 12.3 - Prob. 4OECh. 12.3 - Prob. 5OECh. 12.3 - Prob. 6OECh. 12.3 - Prob. 7OECh. 12.3 - Prob. 8OECh. 12.3 - Prob. 9OECh. 12.3 - Prob. 10OECh. 12.3 - Prob. 11OECh. 12.3 - Prob. 12OECh. 12.3 - Prob. 1WECh. 12.3 - Prob. 2WECh. 12.3 - Prob. 3WECh. 12.3 - Prob. 4WECh. 12.3 - Prob. 5WECh. 12.3 - Prob. 6WECh. 12.3 - Prob. 7WECh. 12.3 - Prob. 8WECh. 12.3 - Prob. 9WECh. 12.3 - Prob. 10WECh. 12.3 - Prob. 11WECh. 12.3 - Prob. 12WECh. 12.3 - Prob. 13WECh. 12.3 - Prob. 14WECh. 12.3 - Prob. 15WECh. 12.3 - Prob. 16WECh. 12.3 - Prob. 17WECh. 12.3 - Prob. 18WECh. 12.3 - Prob. 19WECh. 12.3 - Prob. 20WECh. 12.3 - Prob. 21WECh. 12.3 - Prob. 22WECh. 12.3 - Prob. 23WECh. 12.3 - Prob. 24WECh. 12.3 - Prob. 25WECh. 12.3 - Prob. 26WECh. 12.3 - Prob. 27WECh. 12.3 - Prob. 28WECh. 12.3 - Prob. 29WECh. 12.3 - Prob. 30WECh. 12.3 - Prob. 31WECh. 12.3 - Prob. 1MRECh. 12.3 - Prob. 2MRECh. 12.3 - Prob. 3MRECh. 12.3 - Prob. 4MRECh. 12.3 - Prob. 5MRECh. 12.3 - Prob. 6MRECh. 12.3 - Prob. 7MRECh. 12.3 - Prob. 8MRECh. 12.3 - Prob. 9MRECh. 12.3 - Prob. 10MRECh. 12.3 - Prob. 11MRECh. 12.3 - Prob. 12MRECh. 12.3 - Prob. 1CECh. 12.3 - Prob. 2CECh. 12.3 - Prob. 3CECh. 12.3 - Prob. 4CECh. 12.3 - Prob. 5CECh. 12.3 - Prob. 6CECh. 12.3 - Prob. 7CECh. 12.3 - Prob. 1ECh. 12.3 - Prob. 2ECh. 12.3 - Prob. 3ECh. 12.3 - Prob. 4ECh. 12.3 - Prob. 5ECh. 12.3 - Prob. 6ECh. 12.3 - Prob. 7ECh. 12.3 - Prob. 8ECh. 12.3 - Prob. 9ECh. 12.3 - Prob. 10ECh. 12.3 - Prob. 11ECh. 12.3 - Prob. 12ECh. 12.3 - Prob. 13ECh. 12.3 - Prob. 14ECh. 12.3 - Prob. 15ECh. 12.3 - Prob. 16ECh. 12.3 - Prob. 17ECh. 12.3 - Prob. 18ECh. 12.3 - Prob. 19ECh. 12.3 - Prob. 20ECh. 12.3 - Prob. 21ECh. 12.3 - Prob. 22ECh. 12.4 - Prob. 1OECh. 12.4 - Prob. 2OECh. 12.4 - Prob. 3OECh. 12.4 - Prob. 4OECh. 12.4 - Prob. 5OECh. 12.4 - Prob. 6OECh. 12.4 - Prob. 7OECh. 12.4 - Prob. 8OECh. 12.4 - Prob. 1WECh. 12.4 - Prob. 2WECh. 12.4 - Prob. 3WECh. 12.4 - Prob. 4WECh. 12.4 - Prob. 5WECh. 12.4 - Prob. 6WECh. 12.4 - Prob. 7WECh. 12.4 - Prob. 8WECh. 12.4 - Prob. 9WECh. 12.4 - Prob. 10WECh. 12.4 - Prob. 11WECh. 12.4 - Prob. 12WECh. 12.4 - Prob. 13WECh. 12.4 - Prob. 14WECh. 12.4 - Prob. 15WECh. 12.4 - Prob. 16WECh. 12.4 - Prob. 17WECh. 12.4 - Prob. 18WECh. 12.4 - Prob. 19WECh. 12.4 - Prob. 20WECh. 12.4 - Prob. 1MRECh. 12.4 - Prob. 2MRECh. 12.4 - Prob. 3MRECh. 12.4 - Prob. 4MRECh. 12.4 - Prob. 5MRECh. 12.4 - Prob. 6MRECh. 12.4 - Prob. 7MRECh. 12.4 - Prob. 8MRECh. 12.4 - Prob. 9MRECh. 12.4 - Prob. 10MRECh. 12.4 - Prob. 11MRECh. 12.4 - Prob. 12MRECh. 12.4 - Prob. 1CECh. 12.4 - Prob. 2CECh. 12.4 - Prob. 3CECh. 12.4 - Prob. 1STCh. 12.4 - Prob. 2STCh. 12.4 - Prob. 3STCh. 12.4 - Prob. 4STCh. 12.4 - Prob. 5STCh. 12.4 - Prob. 6STCh. 12.4 - Prob. 7STCh. 12.4 - Prob. 8STCh. 12.5 - Prob. 1OECh. 12.5 - Prob. 2OECh. 12.5 - Prob. 3OECh. 12.5 - Prob. 4OECh. 12.5 - Prob. 5OECh. 12.5 - Prob. 6OECh. 12.5 - Prob. 7OECh. 12.5 - Prob. 8OECh. 12.5 - Prob. 9OECh. 12.5 - Prob. 10OECh. 12.5 - Prob. 11OECh. 12.5 - Prob. 12OECh. 12.5 - Prob. 13OECh. 12.5 - Prob. 1WECh. 12.5 - Prob. 2WECh. 12.5 - Prob. 3WECh. 12.5 - Prob. 4WECh. 12.5 - Prob. 5WECh. 12.5 - Prob. 6WECh. 12.5 - Prob. 7WECh. 12.5 - Prob. 8WECh. 12.5 - Prob. 9WECh. 12.5 - Prob. 10WECh. 12.5 - Prob. 11WECh. 12.5 - Prob. 12WECh. 12.5 - Prob. 13WECh. 12.5 - Prob. 14WECh. 12.5 - Prob. 15WECh. 12.5 - Prob. 16WECh. 12.5 - Prob. 17WECh. 12.5 - Prob. 18WECh. 12.5 - Prob. 19WECh. 12.5 - Prob. 20WECh. 12.5 - Prob. 21WECh. 12.5 - Prob. 22WECh. 12.5 - Prob. 23WECh. 12.5 - Prob. 24WECh. 12.5 - Prob. 25WECh. 12.5 - Prob. 26WECh. 12.5 - Prob. 27WECh. 12.5 - Prob. 28WECh. 12.5 - Prob. 29WECh. 12.5 - Prob. 30WECh. 12.5 - Prob. 31WECh. 12.5 - Prob. 1MRECh. 12.5 - Prob. 2MRECh. 12.5 - Prob. 3MRECh. 12.5 - Prob. 4MRECh. 12.5 - Prob. 5MRECh. 12.5 - Prob. 6MRECh. 12.5 - Prob. 7MRECh. 12.5 - Prob. 8MRECh. 12.5 - Prob. 9MRECh. 12.5 - Prob. 10MRECh. 12.5 - Prob. 11MRECh. 12.5 - Prob. 12MRECh. 12.6 - Prob. 1PCh. 12.6 - Prob. 2PCh. 12.6 - Prob. 3PCh. 12.6 - Prob. 4PCh. 12.6 - Prob. 5PCh. 12.6 - Prob. 6PCh. 12.6 - Prob. 7PCh. 12.6 - Prob. 8PCh. 12.6 - Prob. 9PCh. 12.6 - Prob. 10PCh. 12.6 - Prob. 11PCh. 12.6 - Prob. 12PCh. 12.6 - Prob. 13PCh. 12.6 - Prob. 14PCh. 12.6 - Prob. 15PCh. 12.6 - Prob. 1MRECh. 12.6 - Prob. 2MRECh. 12.6 - Prob. 3MRECh. 12.6 - Prob. 4MRECh. 12.6 - Prob. 5MRECh. 12.6 - Prob. 6MRECh. 12.6 - Prob. 7MRECh. 12.6 - Prob. 8MRECh. 12.6 - Prob. 9MRECh. 12.6 - Prob. 1ECh. 12.6 - Prob. 2ECh. 12.6 - Prob. 3ECh. 12.6 - Prob. 4ECh. 12.6 - Prob. 5ECh. 12.6 - Prob. 6ECh. 12.6 - Prob. 7ECh. 12.6 - Prob. 8ECh. 12.6 - Prob. 9ECh. 12.6 - Prob. 1STCh. 12.6 - Prob. 2STCh. 12.6 - Prob. 3STCh. 12.6 - Prob. 4STCh. 12.6 - Prob. 5STCh. 12.6 - Prob. 6STCh. 12.6 - Prob. 1.1ECh. 12.6 - Prob. 1.2ECh. 12.6 - Prob. 1.3ECh. 12.6 - Prob. 1.4ECh. 12.6 - Prob. 1.5ECh. 12.7 - Prob. 1OECh. 12.7 - Prob. 2OECh. 12.7 - Prob. 3OECh. 12.7 - Prob. 4OECh. 12.7 - Prob. 5OECh. 12.7 - Prob. 6OECh. 12.7 - Prob. 1PCh. 12.7 - Prob. 2PCh. 12.7 - Prob. 3PCh. 12.7 - Prob. 4PCh. 12.7 - Prob. 5PCh. 12.7 - Prob. 6PCh. 12.7 - Prob. 7PCh. 12.7 - Prob. 8PCh. 12.7 - Prob. 9PCh. 12.7 - Prob. 10PCh. 12.7 - Prob. 11PCh. 12.7 - Prob. 12PCh. 12.7 - Prob. 1MRECh. 12.7 - Prob. 2MRECh. 12.7 - Prob. 3MRECh. 12.7 - Prob. 4MRECh. 12.7 - Prob. 5MRECh. 12.7 - Prob. 6MRECh. 12.7 - Prob. 7MRECh. 12.7 - Prob. 8MRECh. 12.7 - Prob. 9MRECh. 12.7 - Prob. 10MRECh. 12.7 - Prob. 11MRECh. 12.7 - Prob. 12MRECh. 12.8 - Prob. 1OECh. 12.8 - Prob. 2OECh. 12.8 - Prob. 3OECh. 12.8 - Prob. 4OECh. 12.8 - Prob. 5OECh. 12.8 - Prob. 6OECh. 12.8 - Prob. 7OECh. 12.8 - Prob. 8OECh. 12.8 - Prob. 9OECh. 12.8 - Prob. 10OECh. 12.8 - Prob. 11OECh. 12.8 - Prob. 12OECh. 12.8 - Prob. 13OECh. 12.8 - Prob. 14OECh. 12.8 - Prob. 1WECh. 12.8 - Prob. 2WECh. 12.8 - Prob. 3WECh. 12.8 - Prob. 4WECh. 12.8 - Prob. 5WECh. 12.8 - Prob. 6WECh. 12.8 - Prob. 7WECh. 12.8 - Prob. 8WECh. 12.8 - Prob. 9WECh. 12.8 - Prob. 10WECh. 12.8 - Prob. 1PCh. 12.8 - Prob. 2PCh. 12.8 - Prob. 3PCh. 12.8 - Prob. 4PCh. 12.8 - Prob. 5PCh. 12.8 - Prob. 6PCh. 12.8 - Prob. 7PCh. 12.8 - Prob. 8PCh. 12.8 - Prob. 9PCh. 12.8 - Prob. 10PCh. 12.8 - Prob. 11PCh. 12.8 - Prob. 12PCh. 12.8 - Prob. 13PCh. 12.8 - Prob. 14PCh. 12.8 - Prob. 1MRECh. 12.8 - Prob. 2MRECh. 12.8 - Prob. 3MRECh. 12.8 - Prob. 4MRECh. 12.8 - Prob. 5MRECh. 12.8 - Prob. 6MRECh. 12.8 - Prob. 7MRECh. 12.8 - Prob. 8MRECh. 12.8 - Prob. 9MRECh. 12.8 - Prob. 10MRECh. 12.8 - Prob. 11MRECh. 12.8 - Prob. 12MRECh. 12.8 - Prob. 1ECh. 12.8 - Prob. 2ECh. 12.8 - Prob. 3ECh. 12.8 - Prob. 4ECh. 12.8 - Prob. 5ECh. 12.8 - Prob. 1STCh. 12.8 - Prob. 2STCh. 12 - Prob. 1CRCh. 12 - Prob. 2CRCh. 12 - Prob. 3CRCh. 12 - Prob. 4CRCh. 12 - Prob. 5CRCh. 12 - Prob. 6CRCh. 12 - Prob. 7CRCh. 12 - Prob. 8CRCh. 12 - Prob. 9CRCh. 12 - Prob. 10CRCh. 12 - Prob. 11CRCh. 12 - Prob. 12CRCh. 12 - Prob. 1CTCh. 12 - Prob. 2CTCh. 12 - Prob. 3CTCh. 12 - Prob. 4CTCh. 12 - Prob. 5CTCh. 12 - Prob. 6CTCh. 12 - Prob. 7CTCh. 12 - Prob. 8CTCh. 12 - Prob. 9CTCh. 12 - Prob. 10CTCh. 12 - Prob. 11CTCh. 12 - Prob. 12CTCh. 12 - Prob. 13CTCh. 12 - Prob. 1CLRCh. 12 - Prob. 2CLRCh. 12 - Prob. 3CLRCh. 12 - Prob. 4CLRCh. 12 - Prob. 5CLRCh. 12 - Prob. 6CLRCh. 12 - Prob. 7CLRCh. 12 - Prob. 8CLRCh. 12 - Prob. 9CLRCh. 12 - Prob. 10CLRCh. 12 - Prob. 11CLRCh. 12 - Prob. 12CLRCh. 12 - Prob. 13CLRCh. 12 - Prob. 14CLRCh. 12 - Prob. 15CLRCh. 12 - Prob. 16CLRCh. 12 - Prob. 17CLRCh. 12 - Prob. 18CLRCh. 12 - Prob. 19CLRCh. 12 - Prob. 20CLRCh. 12 - Prob. 21CLRCh. 12 - Prob. 22CLRCh. 12 - Prob. 23CLRCh. 12 - Prob. 24CLRCh. 12 - Prob. 25CLRCh. 12 - Prob. 26CLRCh. 12 - Prob. 27CLRCh. 12 - Prob. 28CLRCh. 12 - Prob. 29CLRCh. 12 - Prob. 30CLRCh. 12 - Prob. 31CLRCh. 12 - Prob. 32CLRCh. 12 - Prob. 33CLRCh. 12 - Prob. 34CLRCh. 12 - Prob. 35CLRCh. 12 - Prob. 36CLRCh. 12 - Prob. 37CLRCh. 12 - Prob. 38CLRCh. 12 - Prob. 39CLRCh. 12 - Prob. 40CLRCh. 12 - Prob. 41CLRCh. 12 - Prob. 42CLRCh. 12 - Prob. 43CLRCh. 12 - Prob. 44CLRCh. 12 - Prob. 45CLRCh. 12 - Prob. 46CLRCh. 12 - Prob. 47CLRCh. 12 - Prob. 48CLRCh. 12 - Prob. 49CLRCh. 12 - Prob. 50CLRCh. 12 - Prob. 51CLRCh. 12 - Prob. 52CLRCh. 12 - Prob. 53CLRCh. 12 - Prob. 54CLRCh. 12 - Prob. 55CLRCh. 12 - Prob. 56CLRCh. 12 - Prob. 57CLRCh. 12 - Prob. 58CLRCh. 12 - Prob. 59CLRCh. 12 - Prob. 60CLRCh. 12 - Prob. 61CLRCh. 12 - Prob. 62CLRCh. 12 - Prob. 63CLRCh. 12 - Prob. 64CLRCh. 12 - Prob. 65CLRCh. 12 - Prob. 66CLRCh. 12 - Prob. 67CLRCh. 12 - Prob. 68CLRCh. 12 - Prob. 69CLRCh. 12 - Prob. 70CLRCh. 12 - Prob. 71CLRCh. 12 - Prob. 72CLRCh. 12 - Prob. 73CLRCh. 12 - Prob. 74CLRCh. 12 - Prob. 75CLRCh. 12 - Prob. 76CLRCh. 12 - Prob. 77CLRCh. 12 - Prob. 78CLRCh. 12 - Prob. 79CLRCh. 12 - Prob. 80CLRCh. 12 - Prob. 81CLRCh. 12 - Prob. 82CLRCh. 12 - Prob. 83CLRCh. 12 - Prob. 84CLR
Additional Math Textbook Solutions
Find more solutions based on key concepts
Solve each formula for the given letter . [2.3] What percent of 60 is 42? [2.4]
Elementary and Intermediate Algebra: Concepts and Applications (7th Edition)
NOTE: Write your answers using interval notation when appropriate.
CHECKING ANALYTIC SKILLS Fill in each blank ...
Graphical Approach To College Algebra
The polynomial of degree 3 and zeros as −2, 3, 5.
College Algebra (5th Edition)
A faucet can fill a sink in 5 minutes. It takes twice as long for the drain to empty the sink. How long will it...
Intermediate Algebra for College Students (7th Edition)
For Problems 115, solve the given differential equation. dydx+2x1x2y=4x,1x1
Differential Equations and Linear Algebra (4th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.Recommended textbooks for you
- Algebra and Trigonometry (6th Edition)AlgebraISBN:9780134463216Author:Robert F. BlitzerPublisher:PEARSONContemporary Abstract AlgebraAlgebraISBN:9781305657960Author:Joseph GallianPublisher:Cengage LearningLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
- Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSONIntroduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge PressCollege Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education
Algebra and Trigonometry (6th Edition)
Algebra
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:PEARSON
Contemporary Abstract Algebra
Algebra
ISBN:9781305657960
Author:Joseph Gallian
Publisher:Cengage Learning
Linear Algebra: A Modern Introduction
Algebra
ISBN:9781285463247
Author:David Poole
Publisher:Cengage Learning
Algebra And Trigonometry (11th Edition)
Algebra
ISBN:9780135163078
Author:Michael Sullivan
Publisher:PEARSON
Introduction to Linear Algebra, Fifth Edition
Algebra
ISBN:9780980232776
Author:Gilbert Strang
Publisher:Wellesley-Cambridge Press
College Algebra (Collegiate Math)
Algebra
ISBN:9780077836344
Author:Julie Miller, Donna Gerken
Publisher:McGraw-Hill Education
Probability & Statistics (28 of 62) Basic Definitions and Symbols Summarized; Author: Michel van Biezen;https://www.youtube.com/watch?v=21V9WBJLAL8;License: Standard YouTube License, CC-BY
Introduction to Probability, Basic Overview - Sample Space, & Tree Diagrams; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=SkidyDQuupA;License: Standard YouTube License, CC-BY