Answer
$z^3-9z^2+27z-27$
Work Step by Step
Use the formula $(a-b)^3=a^3-3a^2b+3ab^2-b^3$ , we have:
$(z-3)^3=z^3-3z^2(3)+3z(3)^2-(3)^3=z^3-9z^2+27z-27$
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 R - Review of Basic Concepts - R.3 Polynomials - R.3 Exercises - Page 33: 84
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