Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 11 - Rational Expressions and Functions - 11-1 Simplifying Rational Expressions - Standardized Test Prep - Page 657: 54



Work Step by Step

For $\frac{n-2}{2-n}$, we can factor out a negative from the denominator. $\frac{n-2}{2-n} = \frac{n-2}{-(-2+n)}=\frac{n-2}{-(n-2)}$ We can now cancel out the common factor $(n-2)$ $\frac{n-2}{-(n-2)}$ = -1
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