#### Answer

$7\sqrt 15$

#### Work Step by Step

Step 1: $5\sqrt 15 + 2\sqrt 15$
Step 2: $(5+2)\sqrt 15$
Step 3: $7\sqrt 15$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$7\sqrt 15$

Step 1: $5\sqrt 15 + 2\sqrt 15$
Step 2: $(5+2)\sqrt 15$
Step 3: $7\sqrt 15$

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