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

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


Simplifying
f(x) = x2 + -4x + c

Multiply f * x
fx = x2 + -4x + c

Reorder the terms:
fx = c + -4x + x2

Solving
fx = c + -4x + 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 = cx-1 + -4 + x

Simplifying
f = cx-1 + -4 + x

Reorder the terms:
f = -4 + cx-1 + x

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