Answer
$\dfrac{x-2}{x^{2}-4}=\dfrac{1}{x+2}$
Work Step by Step
$\dfrac{x-2}{x^{2}-4}$
Factor the denominator and simplify:
$\dfrac{x-2}{x^{2}-4}=\dfrac{x-2}{(x-2)(x+2)}=\dfrac{1}{x+2}$
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 7.1 - Simplifying Rational Expressions - Exercise Set - Page 490: 29
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