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 - Practice: 6

Answer

$2\sqrt {5x}-24\sqrt {x}+4\sqrt {2x}$

Work Step by Step

$\sqrt {20x}-6\sqrt {16x}+\sqrt {32x}$ =$\sqrt {4\times5x}-6\sqrt {4^{2}\times x}+\sqrt {2x \times16}$ =$2\sqrt {5x}-(6\times4)\sqrt {x}+4\sqrt {2x}$ =$2\sqrt {5x}-24\sqrt {x}+4\sqrt {2x}$
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