## College Algebra (11th Edition)

Published by Pearson

# Chapter R - Section R.3 - Polynomials - R.3 Exercises: 78

#### Answer

3$x^{4}$ - 4$x^{2}$ + 5

#### Work Step by Step

1. Use the distributive property to distribute the negative sign. $x^{4}$ - 3$x^{2}$ + 2 + 2$x^{4}$ - $x^{2}$ + 3 2. Group like terms together. $x^{4}$ + 2$x^{4}$ - 3$x^{2}$ - $x^{2}$ + 2 + 3 3. Add like terms. 3$x^{4}$ - 4$x^{2}$ + 5

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