## Introductory Algebra for College Students (7th Edition)

Published by Pearson

# Chapter 5 - Review Exercises: 4

#### Answer

8x$^3$+10x$^2$-20x-4

#### Work Step by Step

$(-6x^3+7x^2-9x+3)+(14x^3+3x^2-11x-7)$ $(-6x^3+14x^3)+(7x^2+3x^2)+(-9x-11x)+(3-7)$ $(8x^3)+(10x^2)+(-20x)+(-4)$ $8x^3+10x^2-20x-4$

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