Answer
$0$, $3$ ,$-3$
Work Step by Step
$x^{3}-9x=0\Rightarrow x\left( x^{2}-9\right) =0$
$1)x=0;$
$2)x^{2}-9=0\Rightarrow x=\pm \sqrt {9}=\pm 3$
Calculus: Early Transcendentals (2nd Edition)
by Briggs, Bill L.; Cochran, Lyle; Gillett, Bernard
Published by
Pearson
ISBN 10:
0321947347
ISBN 13:
978-0-32194-734-5
Appendix A - Appendix A Exercises - Page 1158: 22
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