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: 16

Answer

$\frac{x+1}{3(x+2)}$

Work Step by Step

We simplify: $\displaystyle \frac{4(x^{2}-1)}{12(x+2)(x-1)}=\frac{4(x+1)(x-1)}{12(x+2)(x-1)}=\frac{x+1}{3(x+2)}$
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