f(x)=x^4-5x^3-49x^2-55x-12

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Solution for f(x)=x^4-5x^3-49x^2-55x-12 equation: 


Simplifying
f(x) = x4 + -5x3 + -49x2 + -55x + -12

Multiply f * x
fx = x4 + -5x3 + -49x2 + -55x + -12

Reorder the terms:
fx = -12 + -55x + -49x2 + -5x3 + x4

Solving
fx = -12 + -55x + -49x2 + -5x3 + x4

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 + -55 + -49x + -5x2 + x3

Simplifying
f = -12x-1 + -55 + -49x + -5x2 + x3

Reorder the terms:
f = -55 + -12x-1 + -49x + -5x2 + x3

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