Answer
2x$^3$-x$^2$+x
Work Step by Step
(-9x$^3$+5x$^2$-2x+7)+(11x$^3$-6x$^2$+3x-7)
-9x$^3$+5x$^2$-2x+7+11x$^3$-6x$^2$+3x-7
(-9x$^3$+11x$^3$)+(5x$^2$-6x$^2$)+(-2x+3x)+(7-7)
2x$^3$-x$^2$+x+0
2x$^3$-x$^2$+x
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 5 - Mid-Chapter Check Point - Page 378: 15
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