#### Answer

$6\sqrt{2}$

#### Work Step by Step

By combining like radicals, the given expression simplifies to
\begin{array}{l}\require{cancel}
8\sqrt{2}-2\sqrt{2}
\\\\=
(8-2)\sqrt{2}
\\\\=
6\sqrt{2}
.\end{array}

Published by
Pearson

ISBN 10:
0-32184-874-8

ISBN 13:
978-0-32184-874-1

$6\sqrt{2}$

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