Answer
$3x^2y^4\sqrt {2x}$
Work Step by Step
$\sqrt {18x^5y^8}=\sqrt {2\cdot 3^2 x\cdot x^4\cdot (y^4)^2}=3x^2y^4\sqrt {2x}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter R - Review of Basic Concepts - Test - Page 86: 25
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