#### 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:
$=\dfrac{3+7}{x}
\\=\color{blue}{\dfrac{10}{x}}$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

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

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