f(x)=2x^4+4x^3-7x^2-x+7

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Solution for f(x)=2x^4+4x^3-7x^2-x+7 equation: 


Simplifying
f(x) = 2x4 + 4x3 + -7x2 + -1x + 7

Multiply f * x
fx = 2x4 + 4x3 + -7x2 + -1x + 7

Reorder the terms:
fx = 7 + -1x + -7x2 + 4x3 + 2x4

Solving
fx = 7 + -1x + -7x2 + 4x3 + 2x4

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 7x-1 + -1 + -7x + 4x2 + 2x3

Simplifying
f = 7x-1 + -1 + -7x + 4x2 + 2x3

Reorder the terms:
f = -1 + 7x-1 + -7x + 4x2 + 2x3

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