Answer
$3x^2(x+2)(x-2)$
Work Step by Step
Factor out the greatest common factors of the two terms. Then use the formula $a^2-b^2=(a+b)(a-b)$ to factor completely.
$3x^4-12x^2$
$3x^2(x^2-4)$
$3x^2(x+2)(x-2)$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Summary, Review, and Test - Review Exercises - Page 91: 101
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