Algebra: A Combined Approach (4th Edition)

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

Chapter 11 - Section 11.4 - Nonlinear Inequalities in One Variable - Exercise Set - Page 800: 65

Answer

Please see the graph. $x=8, -7$

Work Step by Step

$x^2-x-56 > 0$ $(x-8)(x+7) > 0$ $(x-8)(x+7) = 0$ $x-8=0$ $x=8$ $x+7=0$ $x=-7$ $x=8, -7$
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