Intermediate Algebra: Connecting Concepts through Application

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: 34


$225+5b-30\sqrt {5b}$

Work Step by Step

Step 1: $(15-\sqrt {5b})^{2}$ Step 2: $15^{2}+(\sqrt {5b})^{2}-2(15)(\sqrt {5b})$ Step 3: $225+5b-30\sqrt {5b}$
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