Answer
9$x^{2}$-6x-1
Work Step by Step
(2$x^{3}$+8$x^{2}$-6x)-(2$x^{3}$-$x^{2}$+1)=
2$x^{3}$+8$x^{2}$-6x-2$x^{3}$+$x^{2}$-1=
2$x^{3}$-2$x^{3}$+8$x^{2}$+$x^{2}$-6x-1=
9$x^{2}$-6x-1
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 8 - Cumulative Review - Page 627: 29
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