Answer
$(3n+4)(3n-4)$.
Work Step by Step
The given polynomial is
$=9n^2-16$
Write as square terms.
$=(3n)^2-4^2$
Use special formula $a^2-b^2=(a+b)(a-b)$.
$a=3n$ and $b=4$
$=(3n+4)(3n-4)$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 7 - Polynomial Equations and Factoring - 7.7 - Factoring Special Products - Monitoring Progress - Page 398: 3
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