Answer
(z-1)($z^{2}$+z+$1^{2}$)
Work Step by Step
$z^{3}$-1=$z^{3}$-$1^{3}$=(z-1)($z^{2}$+z1+$1^{2}$)
(z-1)($z^{2}$+z+$1^{2}$)
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 6 - Section 6.5 - Factoring by Special Products - Exercise Set - Page 448: 59
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