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: 7

Answer

$\color{blue}{\dfrac{10}{x}}$

Work Step by Step

The rational expressions are similar so just add the numerator together and copy the denominator to obtain: $=\dfrac{3+7}{x} \\=\color{blue}{\dfrac{10}{x}}$
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