Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter R - Elementary Algebra Review - R.6 Rational Expressions and Equations - R.6 Exercise Set: 9

Answer

$-\frac{1}{x+2}$

Work Step by Step

We can remove a factor of : $\frac{x-2}{x-2}=1$ $\frac{2-x}{x^2-4}=-\frac{x-2}{x^2-4}=-\frac{x-2}{(x+2)(x-2)}=-\frac{1}{x+2}$
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