## Algebra 1

Published by Prentice Hall

# Chapter 8 - Polynomials and Factoring - 8-2 Multiplying and Factoring - Mixed Review - Page 484: 50

#### Answer

$7x^4+3x^2-1$

#### Work Step by Step

$(4x^4-3x^2-1)+(3x^4+6x^2)\longrightarrow$ use the associative property to reorder =$(4x^4+3x^4)+(6x^2-3x^2)-1\longrightarrow$ combine like terms =$7x^4+3x^2-1$

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