Answer
$-42$
Work Step by Step
Using order of operations, the given expression, $
-9(2)^2-(-3)(-2)
,$ simplifies to
\begin{array}{l}\require{cancel}
-9(4)-(6)
\\\\=
-36-6
\\\\=
-42
.\end{array}
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter R - Section R.3 - Exponents, Roots, and Order of Operations - R.3 Exercises - Page 30: 60
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