Precalculus (6th Edition)

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



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: $=z(7z-9z^2+1) \\=\color{blue}{z(-9z^2+7z+1)}$
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