#### Answer

$-2xy\sqrt {y}$

#### Work Step by Step

$3\sqrt {8x^2y^3}-2x\sqrt {32y^3}$ Factor.
$3\sqrt {4x^2y^2}\sqrt {y}-2x\sqrt {16y^2}\sqrt {y}$ Simplify.
$6xy\sqrt {y}-8xy\sqrt {y}$ Combine like radicales.
$-2xy\sqrt {y}$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$-2xy\sqrt {y}$

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