Answer
114
Work Step by Step
We substitute the values into the equation:
$3(19)((19)+2)-3(19)^2=3(19)(21)-3(361)=1197-1083=114$.
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 1 - Expressions, Equations, and Inequalities - Chapter Review - Page 52: 18
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