Answer
28
Work Step by Step
Plug in -2 for x and then simplify the expression.
3x$^2$-8x
3(-2)$^2$-8(-2)
3(4)-8(-2)
12-(-16)
12+16
28
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 1 - Section 1.8 - Exponents and Order of Operations - Exercise Set - Page 100: 75
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