Answer
$= \frac{5(x+7)}{3(x-4)}$
Work Step by Step
$\frac{5x+20}{x-4} \div \frac{3x+12}{x+7}$
$= \frac{5(x+4)}{x-4} \div \frac{3(x+4)}{x+7}$
$= \frac{5(x+4)}{x-4} \times \frac{x+7}{3(x+4)}$
$= \frac{5(x+7)}{3(x-4)}$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
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: 27
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