#### Answer

$-4\sqrt 2$

#### Work Step by Step

$-\sqrt 32=-\sqrt (16\times2)=-\sqrt 16\times\sqrt 2=-4\sqrt 2$
We know that $\sqrt 16=4$, because $4^{2}=16$.

Published by
Pearson

ISBN 10:
0321969359

ISBN 13:
978-0-32196-935-4

$-4\sqrt 2$

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