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: 28



Work Step by Step

Factor the numerator and the denominator then cancel the common factors to obtain: $\require{cancel} =\dfrac{(r-3)(r+2)}{(r+4)(r-3)} \\=\dfrac{\cancel{(r-3)}(r+2)}{\cancel{(r-3)}(r+4)} \\=\color{blue}{\dfrac{r+2}{r+4}}$
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