Answer
$(-\infty,\infty)$.
Work Step by Step
Because we have the negative of the product of two square terms, the inequality will always be true, thus the solution is $(-\infty,\infty)$.
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 1 - Equations and Inequalities - 1.7 Inequalities - 1.7 Exercises - Page 162: 100
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