Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.4 - Adding, Subtracting, and Multiplying Radical Expressions - Exercise Set: 36


$\sqrt {5}$

Work Step by Step

$\frac{\sqrt {45}}{10}+\frac{7\sqrt {5}}{10}$ Factor. $\frac{\sqrt {9}\sqrt {5}}{10}+\frac{7\sqrt {5}}{10}$ Simplify and add. $\frac{10\sqrt {5}}{10}$ Simplify. $\sqrt {5}$
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