Answer
$8+2\sqrt {15}$
Work Step by Step
Step 1: $(\sqrt 3+\sqrt 5)^{2}$
Step 2: $(\sqrt 3)^{2}+(\sqrt 5)^{2}+2(\sqrt 3)(\sqrt 5)$
Step 3: $3+5+2\sqrt {3\times5}$
Step 4: $8+2\sqrt {15}$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 8 - Radical Functions - 8.3 Multiplying and Dividing Radicals - 8.3 Exercises - Page 643: 83
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