Answer
$\frac{2x}{(x+z)(x-z)}$
Work Step by Step
$\frac{(x-z)+(x+z)}{(x+z)(x-z)}$
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.5 - Rational Expressions - R.5 Exercises - Page 48: 51
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