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}
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 10 - Exponents and Radicals - Test: Chapter 10 - Page 695: 15
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