A student was solving the following problem. 81**2 -273 Step 1: (3*)*- = (3')* Step 2: 3**2 = 3 %3D %3! Step 3: 4x+ 2 = 9x Step 4: 2 = 5x Step 5: In which step was a mistake first made?
A student was solving the following problem. 81**2 -273 Step 1: (3*)*- = (3')* Step 2: 3**2 = 3 %3D %3! Step 3: 4x+ 2 = 9x Step 4: 2 = 5x Step 5: In which step was a mistake first made?
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,...
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Question
![A student was solving the following problem.
81*+2 - 27*
%3D
Step 1: (3*)*-2 = (3')*
%3D
Step 2: 3**2 - 30
4x+2
%3D
Step 3: 4x+ 2 9x
Step 4: 2 5x
2.
Step 5: x
In which step was a mistake first made?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe90a1f95-d947-427b-90e9-534124d96346%2F339ce8aa-0111-4282-a748-e42257dbabb4%2Fvj7ez6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A student was solving the following problem.
81*+2 - 27*
%3D
Step 1: (3*)*-2 = (3')*
%3D
Step 2: 3**2 - 30
4x+2
%3D
Step 3: 4x+ 2 9x
Step 4: 2 5x
2.
Step 5: x
In which step was a mistake first made?
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