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: 4

Answer

$10x\sqrt {5x}$

Work Step by Step

$3\sqrt {45x^3}+x\sqrt {5x}$ Factor. $3\sqrt {9x^2}\cdot\sqrt {5x}+x\sqrt 5x$ Use the product rule and simplify. $9x\sqrt {5x}+x\sqrt 5x$ Combine like radicals. $10x\sqrt {5x}$
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