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  • 12-12-2019
  • Mathematics
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3(2x^2+5)-12 for x is 3

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TheKoroSensei
TheKoroSensei TheKoroSensei
  • 13-12-2019

3(2x^2+5)-12

3(2x^2)= 6x^2

3(5) = 15

6x^2+15-12

6x^2+3

Plug in the x

6(3)^2+3

Exponent first so 3^2 is 9

6(9)+3

54+3

57 is the answer.

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