Concept explainers
a.
To find: What mistake did the student make in simplifying the expression.
a.
Answer to Problem 63PPE
The mistake did the student make in simplifying the expression above is that the student didn’t add the number. First they have to add the two numbers than they can simplify the number.
Explanation of Solution
Given information:
The given expression
Calculation:
The mistake did the student make in simplifying the expression above is that the student didn’t add the number. First they have to add the two numbers than they can simplify the number.
b.
To find: What is the correct simplified form of the expression.
b.
Answer to Problem 63PPE
The required simplified form
Explanation of Solution
Given information:
The given expression:
Calculation:
(Simplify)
Chapter 7 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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