kaytebearkb kaytebearkb

12-12-2018
Mathematics

contestada

Evaluate.
3x to the second power - 4. For x = -3

23

77

15

–31

Help fast please!!!

Respuesta :

MorallyGray MorallyGray

12-12-2018

23.

3•(-3)^2-4

3•(-3)^2

Exponents first.

-3^2=9

3•9=27

27-4= 2:.

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