College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Section R.3 - Polynomials - R.3 Exercises: 86

Answer

$z^{4}$ - 9$z^{3}$ + 12$z^{2}$ + 8z

Work Step by Step

1. Apply the distributive property. -$z^{3}$(9 - z) + 4z(2 + 3z) = -9$z^{3}$ + $z^{4}$ + 8z + 12$z^{2}$ = $z^{4}$ - 9$z^{3}$ + 12$z^{2}$ + 8z
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