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: 19


Expression is undefined when x=6 or x=-1

Work Step by Step

Expression is undefined when $x^{2}$-5x-6=0 $x^{2}$+x-6x-6=0 x(x+1)-6(x+1)=0 (x-6)(x+1)=0 x-6=0 or x+1=0 x=6 or x=-1
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