Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 8 - Section 8.3 - Operations with Radicals - Exercise Set - Page 591: 13



Work Step by Step

RECALL: For any real numbers $a, b,$ and $c$, $ac-bc=(a-b)c$ Use the rule above to combine like terms: $=(7-1)\sqrt{5y} \\=6\sqrt{5y}$
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