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 - Page 51: 18



Work Step by Step

Factor each polynomial to obtain: $=\dfrac{(x-2)(x+1)}{(x-1)(x+1)}$ Cancel the common factors to obtain: $\require{cancel} =\dfrac{(x-2)\cancel{(x+1)}}{(x-1)\cancel{(x+1)}} \\=\dfrac{x-2}{x-1}$
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