#### Answer

$13\sqrt2$

#### Work Step by Step

$\sqrt{72}+\sqrt{32}+\sqrt{18}=\sqrt{36}\sqrt2+\sqrt{16}\sqrt2+\sqrt{9}\sqrt2=6\sqrt2+4\sqrt2+3\sqrt2=13\sqrt2$

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Published by
Pearson

ISBN 10:
0-13417-894-7

ISBN 13:
978-0-13417-894-3

$13\sqrt2$

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