famousshorty famousshorty
  • 03-10-2018
  • Mathematics
contestada

evaluate the expression 4x^2-2 when x=3

Respuesta :

sid071
sid071 sid071
  • 03-10-2018

Hey there!!

Given equation :

4x² - 2

And x is given by 3

Now substitute the value of 3 in the equation :

... 4×(3)² - 2

... 4×3×3 -  2

... 12×3 - 2

... 36 - 2

Hence, the answer is 34.

Hope my answer helps!

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