Answer
$-4\sqrt{6}$
Work Step by Step
By combining like radicals, the given expression, $
\sqrt{6}+3\sqrt{6}-8\sqrt{6}
,$ simplifies to
\begin{array}{l}\require{cancel}
(1+3-8)\sqrt{6}
\\\\=
-4\sqrt{6}
.\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 - 10.5 Expressions Containing Several Radical Terms - 10.5 Exercise Set - Page 660: 14
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