Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Prerequisites - P.5 - Rational Expressions - Exercises - Page 48: 38


$\frac{1}{3}, x\ne7, x\ne-7$

Work Step by Step

$\frac{(x-7)^2(x+7)}{(x+7)(x-7)3(x-7)}$ (Cancel the common factors from the numerator and the denominator) =1/3
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