Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 6 - Factoring, Solving Equations, and Problem Solving - 6.2 - Factoring the Difference of Two Squares - Problem Set 6.2 - Page 249: 83


The answer is below.

Work Step by Step

It is the correct solution, for if this in plugged into the original equation, it will get a true statement. However, the person does not need to consider $4=0$. Whenever factoring, any constant that is factored out can be ignored once it has been factored out of the equation.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.