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

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


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

Multiply f * X
fX = (x2 + 3x + -4)

Reorder the terms:
fX = (-4 + 3x + x2)

Remove parenthesis around (-4 + 3x + x2)
fX = -4 + 3x + x2

Solving
fX = -4 + 3x + x2

Solving for variable 'f'.

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

Divide each side by 'X'.
f = -4X-1 + 3xX-1 + x2X-1

Simplifying
f = -4X-1 + 3xX-1 + x2X-1

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