Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 13 - Cumulative Review - Page 969: 40


2$\sqrt5$ +5$\sqrt 3$

Work Step by Step

$\sqrt5$ ( 2+ $\sqrt 15$)=2$\sqrt5$ + $\sqrt 5$$\times$ $\sqrt 15$= 2$\sqrt5$ + $\sqrt 5$$\times$ $\sqrt 5$$\times$$\sqrt3$= 2$\sqrt5$ +5$\sqrt 3$
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