Part A: Multiply (5x2 + x − 4)(x + 2). Part B: Multiply −3x2(6x2 + 2x − 3). Part C: Let f(x) = x2 + 3x − 4 and g(x) = x + 5. Find f(x) ⋅ g(x). Part D:  Which of the following represents the area of a rectangle whose length is 5x − 3 and whose width is x + 7?  5x2 − 21  5x2 + 9x − 21  5x2 + 32x − 21  5x2 − 32x − 21

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
icon
Related questions
Question

Part A: Multiply (5x2 + x − 4)(x + 2).

Part B: Multiply −3x2(6x2 + 2x − 3).

Part C: Let f(x) = x2 + 3x − 4 and g(x) = x + 5. Find f(x) ⋅ g(x).

Part D: 

Which of the following represents the area of a rectangle whose length is 5x − 3 and whose width is x + 7?

 5x2 − 21 

5x2 + 9x − 21 

5x2 + 32x − 21

 5x2 − 32x − 21

Multiply (5x2 + x – 4)(x + 2).
O 5x3 + x2 – 4x - 8
5x3 + 11x2 – 2x - 8
O 5x3 + 10x2 - 4x – 8
O 5x3 + 20x2 + 2x - 8
Transcribed Image Text:Multiply (5x2 + x – 4)(x + 2). O 5x3 + x2 – 4x - 8 5x3 + 11x2 – 2x - 8 O 5x3 + 10x2 - 4x – 8 O 5x3 + 20x2 + 2x - 8
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
Algebra
ISBN:
9780134463216
Author:
Robert F. Blitzer
Publisher:
PEARSON
Contemporary Abstract Algebra
Contemporary Abstract Algebra
Algebra
ISBN:
9781305657960
Author:
Joseph Gallian
Publisher:
Cengage Learning
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Algebra And Trigonometry (11th Edition)
Algebra And Trigonometry (11th Edition)
Algebra
ISBN:
9780135163078
Author:
Michael Sullivan
Publisher:
PEARSON
Introduction to Linear Algebra, Fifth Edition
Introduction to Linear Algebra, Fifth Edition
Algebra
ISBN:
9780980232776
Author:
Gilbert Strang
Publisher:
Wellesley-Cambridge Press
College Algebra (Collegiate Math)
College Algebra (Collegiate Math)
Algebra
ISBN:
9780077836344
Author:
Julie Miller, Donna Gerken
Publisher:
McGraw-Hill Education