Introductory Algebra for College Students (7th Edition)

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



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
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