Answer
-21.6$z^{3}$-2z+2
Work Step by Step
(-12.7$z^{3}$-14z)+(-8.9$z^{3}$+12z+2)
=-12.7$z^{3}$-14z-8.9$z^{3}$+12z+2
=-12.7$z^{3}$-8.9$z^{3}$-14z+12z+2
=-21.6$z^{3}$-2z+2
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Section 10.1 - Adding and Subtracting Polynomials - Exercise Set - Page 703: 8
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