Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 7 - Section 7.1 - Simplifying Rational Expressions - Exercise Set - Page 489: 6



Work Step by Step

$\dfrac{x+5}{x^{2}+4x-8};$ $x=2$ Replace $x$ with $2$ and evaluate the operations: $\dfrac{2+5}{(2)^{2}+4(2)-8}=\dfrac{7}{4+8-8}=\dfrac{7}{4}$
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