Answer
$6xz-27z^2$
Work Step by Step
Using the distributive property of polynomials, the expression can be written as $$=3z(2x)-(3z)(9z)$$$$=(3 \cdot 2)xz-(3 \cdot 9)(z \cdot z)=6xz-27z^2$$
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 3 - Quadratic Functions - Exercises for Skills for Factoring - Page 134: 6
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