Answer
0, -9
Work Step by Step
Solving the equation for z, we find:
$$z^3+9z^2 \\ z^2(z+9) \\ z=0,-9$$
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 14 Trigonometric Graphs, Identities, and Equations - 14.7 Apply Double-Angle and Half-Angle Formulas - 14.7 Exercises - Mixed Review - Page 962: 64
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