Answer
$\color{blue}{z(-9z^2+7z+1)}$
Work Step by Step
Each term has the variable $z$.
The lowest exponent of $x$ is $1$.
Thus, the GCF is $z^1$ or $z$.
Factor out $z$ to obtain:
$=z(7z-9z^2+1)
\\=\color{blue}{z(-9z^2+7z+1)}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter R - Review of Basic Concepts - Chapter R Test Prep - Review Exercises - Page 83: 64
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