Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 6 - Section 6.2 - Adding and Subtracting Rational Expressions - Exercise Set - Page 427: 22



Work Step by Step

$y(y+2)=y(y+2)$, $y^2-4=(y+2)(y-2)$, so the GCF is $y+2$ and the terms that are "not common" are $y$ and $y-2$ so LCD$=(y+2)y(y-2)=y(y^2-4)$
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