Answer
0
Work Step by Step
$\frac{9}{x-3}$+$\frac{9}{3-x}$=
$\frac{9}{x-3}$+$\frac{9(-1)}{(3-x)(-1)}$=
$\frac{9}{x-3}$+$\frac{-9}{x-3}$=
$\frac{9-9}{x-3}$=0
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 7 - Section 7.4 - Adding and Subtracting Rational Expressions with Different Denominators - Exercise Set - Page 515: 15
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