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: 26

Answer

$\color{blue}{\dfrac{2}{3}}$

Work Step by Step

Factor the numerator and the denominator then cancel the common factors to obtain: $\require{cancel} =\dfrac{10(2r+1)}{15(2r+1)} \\=\dfrac{\cancel{10}^2\cancel{(2r+1)}}{\cancel{15}^3\cancel{(2r+1)}} \\=\color{blue}{\dfrac{2}{3}}$
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