## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson

# Chapter 5 - Polynomials and Factoring - 5.1 Introduction to Factoring - 5.1 Exercise Set: 9

#### Answer

$c$

#### Work Step by Step

Note that factoring out $3x^2$ in the given expression gives: $9x^4-3x^2=3x^2(3x^2-1)$ Thus, the answer is Option $c$.

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