f(x)=x^3-4x^2-3x+12

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Solution for f(x)=x^3-4x^2-3x+12 equation: 


Simplifying
f(x) = x3 + -4x2 + -3x + 12

Multiply f * x
fx = x3 + -4x2 + -3x + 12

Reorder the terms:
fx = 12 + -3x + -4x2 + x3

Solving
fx = 12 + -3x + -4x2 + x3

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 + -3 + -4x + x2

Simplifying
f = 12x-1 + -3 + -4x + x2

Reorder the terms:
f = -3 + 12x-1 + -4x + x2

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