HELP PLS Evaluate. 3x((exponent) 2) – 4, for x = –3 77 23 –31 15

asked Nov 24, 2019 77.1k views

4 votes

HELP PLS

Evaluate.

3x((exponent) 2) – 4, for x = –3

77

23

–31

15

5.4k points

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2 votes

$3x^2-4\ for\ x=-3.\\\\\text{Put the value of x to the expression}\\\\3(-3)^2-4=3(9)-4=27-4=23\\\\Answer:\ \boxed{23}$

MungeWrath answered Nov 25, 2019

5.0k points

6 votes

The answer is 23.

Given : 3x^2-4 for x=-3
(-3) x (-3) = 9
9 x 3 = 27
27 - 4 = 23

Mico answered Nov 28, 2019

by Mico

5.7k points

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