Answer
A
Work Step by Step
Find the greatest common factor. Find the factors of each term and multiply the factors that are common to all the terms.
$7n^2=7×n×n$
9=3×3
Since none of the prime factors are common to the two terms, GCF=1.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - 8-2 Multiplying and Factoring - Lesson Check - Page 494: 7
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