Answer
-10
Work Step by Step
Given -$x^{2}$ - 6 , x = -2
Now Put x = -2 in the given expression
= -$(-2)^{2}$ - 6
=-4-6
=-10
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 6 - Algebra: Equations and Inequalities - 6.1 Algebraic Expressions and Formulas - Exercise Set 6.1 - Page 347: 11
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