Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 7 - Rational Functions - 7.3 Multiplying and Dividing Rational Expressions - 7.3 Exercises - Page 580: 29


$= -\frac{x+9}{x+7}$

Work Step by Step

$\frac{5-x}{x+7} \div \frac{x-5}{x+9}$ $= \frac{5-x}{x+7} \times \frac{x+9}{x-5}$ $= \frac{5-x}{x+7} \times \frac{x+9}{-(5-x)}$ $= \frac{1}{x+7} \times \frac{x+9}{-1}$ $= -\frac{x+9}{x+7}$
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.