Answer
$18z^3+5z^2+7z-2$
Work Step by Step
$(9z-2)(2z^2+z+1)=9z(2z^2)+9z(z)+9z(1)-2(2z^2)-2(z)-2(1)=18z^3+9z^2+9z-4z^2-2z-2=18z^3+5z^2+7z-2$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Section 10.3 - Multiplying Polynomials - Exercise Set - Page 717: 16
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