Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 4 - Polynomials - 4.8 Division of Polynomials - 4.8 Exercise Set - Page 291: 44


She failed to factor correctly.

Work Step by Step

She canceled out the 3x and the first term in the numerator, but she never divided the second term in the numerator by $3x$. If you wanted to convince her she made a mistake, one way to do so is to plug in numbers into the original and final expressions. Since she made a mistake, they will not result in the same final number.
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.