Answer
$\frac{9}{28}$ and $x\ne-5.$
Work Step by Step
$\frac{x+5}{7}\div\frac{4x+20}{9}=\frac{x+5}{7}\frac{9}{4(x+5)}=\frac{9}{28}$ and $x\ne-5.$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 6 - Section 6.1 - Rational Expressions and Functions; Multiplying and Dividing - Exercise Set - Page 414: 73
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