Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.5 Rational Expressions - R.5 Exercises: 8

Answer

$\color{blue}{\dfrac{-5}{x-y}}$

Work Step by Step

The rational expressions are similar so just subtract the numerator together and copy the denominator to obtain: $=\dfrac{4-9}{x-y} \\=\color{blue}{\dfrac{-5}{x-y}}$
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