Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - 1.6 - Other Types of Equations - 1.6 Exercises - Page 128: 18

Answer

2, -2, 3, -3

Work Step by Step

$(x^2-9)(x^2-4)=0$ (Factor as if quadratic) (x-3)(x+3)(x-2)(x+2)=0 Hence x = {2, -2, 3, -3}
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