## Algebra 1

Published by Prentice Hall

# Chapter 8 - Polynomials and Factoring - 8-2 Multiplying and Factoring - Lesson Check: 7

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. $7n^2=7\times n\times n$ $9=3\times3$ Since none of the prime factors are common to the two terms, GCF=1.

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