Answer
See below
Work Step by Step
Given $x^2 +2x-3 \gt 0$. Then make a table of values:
Notice that $x^2 +2x-3 \gt 0$ when $x\lt -3$ or $x\gt 1$
The solution of the inequality is $x\lt-3$ or $x\gt 1$.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 4 Quadratic Functions and Factoring - 4.9 Graph and Solve Quadratic Inequalities - 4.9 Exercises - Skill Practice - Page 304: 27
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