Answer
$10x\sqrt {2x}$
Work Step by Step
$2\sqrt {2x^3}+4x\sqrt {8x}$ Factor.
$2\sqrt {2x}\cdot\sqrt {x^2}+4x\sqrt 4\cdot\sqrt 2x$ Use the product rule and simplify.
$2x\sqrt {2x}+8x\sqrt 2x$ Combine like radicals.
$10x\sqrt {2x}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
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 - Page 709: 3
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