Answer
$8\sqrt 5$
Work Step by Step
Applying the rules of radicals:
$5\sqrt 5+3\sqrt 5$
$=\sqrt 5(5+3)$
$=8\sqrt 5$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 10 - Radical Expressions and Equations - Mid-Chapter Quiz - Page 632: 23
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