College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.7 - Rational Expressions - P.7 Exercises: 21



Work Step by Step

Factor each polynomial to obtain: $=\dfrac{y(y+1)}{(y+1)(y-1)}$ Cancel the common factors to obtain: $\require{cancel} =\dfrac{y\cancel{(y+1)}}{\cancel{(y+1)}(y-1)} \\=\dfrac{y}{y-1}$
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