Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 7 - Section 7.1 - Simplifying Rational Expressions - Exercise Set: 29



Work Step by Step

$\dfrac{x-2}{x^{2}-4}$ Factor the denominator and simplify: $\dfrac{x-2}{x^{2}-4}=\dfrac{x-2}{(x-2)(x+2)}=\dfrac{1}{x+2}$
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