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 490: 30

Answer

$\dfrac{x+5}{x^{2}-25}=\dfrac{1}{x-5}$

Work Step by Step

$\dfrac{x+5}{x^{2}-25}$ Factor the denominator and simplify the expression: $\dfrac{x+5}{x^{2}-25}=\dfrac{x+5}{(x+5)(x-5)}=\dfrac{1}{x-5}$
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