f(x)=-x^2+3(4)

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Solution for f(x)=-x^2+3(4) equation: 


Simplifying
f(x) = -1x2 + 3(4)

Multiply f * x
fx = -1x2 + 3(4)

Multiply 3 * 4
fx = -1x2 + 12

Reorder the terms:
fx = 12 + -1x2

Solving
fx = 12 + -1x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 12x-1 + -1x

Simplifying
f = 12x-1 + -1x

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