kaytebearkb
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 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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