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: 6

Answer

$29\sqrt {2}$

Work Step by Step

$4\sqrt {32}-\sqrt {18}+2\sqrt {128}$ Factor. $4\sqrt {16}\cdot\sqrt {2}-\sqrt {9}\cdot\sqrt2+2\sqrt{64}\cdot\sqrt{2}$ Use the product rule and simplify. $16\sqrt {2}-3\sqrt {2}+16\sqrt2$ Combine like radicals. $29\sqrt {2}$
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