f(7)=3x^2+7x-12

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Solution for f(7)=3x^2+7x-12 equation: 


Simplifying
f(7) = 3x2 + 7x + -12

Reorder the terms for easier multiplication:
7f = 3x2 + 7x + -12

Reorder the terms:
7f = -12 + 7x + 3x2

Solving
7f = -12 + 7x + 3x2

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by '7'.
f = -1.714285714 + x + 0.4285714286x2

Simplifying
f = -1.714285714 + x + 0.4285714286x2

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