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Corinne Dunlap
15 January, 01:58
3 (2x^2+5) - 12 for x is 3
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Summer Calhoun
15 January, 03:35
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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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