Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 3 - Section 3.5 - Complex Zeros and the Fundamental Theorem of Algebra - 3.5 Exercises - Page 293: 28

Answer

Zero: $4$ With a multiplicity of three.

Work Step by Step

Add 64 to the other side and take the cube root. Your zero is 4, with a multiplicity of three because of the exponent of three.
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