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

Published by Pearson

# Chapter 5 - Section 5.1 - Adding and Subtracting Polynomials - Exercise Set - Page 348: 40

#### Answer

20x$^4$+x$^2$

#### Work Step by Step

$13x^4-x^2$ $\underline{7x^4+2x^2}$ $20x^4+x^2$

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