Answer
77
Work Step by Step
Plugging in the given value of n and using order of operations to simplify:
$$ (2+7)^2 -4 \\ 9^2 -4 \\ 81-4 \\ 77$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 1, Equations and Inequalities - 1.4 Rewrite Equations and Formulas - 1.4 Exercises - Mixed Review - Page 32: 46
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