f(x)=x^5-X^4+8x^3-9x^2-20x+5

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Solution for f(x)=x^5-X^4+8x^3-9x^2-20x+5 equation: 


Simplifying
f(x) = x5 + -1X4 + 8x3 + -9x2 + -20x + 5

Multiply f * x
fx = x5 + -1X4 + 8x3 + -9x2 + -20x + 5

Reorder the terms:
fx = 5 + -1X4 + -20x + -9x2 + 8x3 + x5

Solving
fx = 5 + -1X4 + -20x + -9x2 + 8x3 + x5

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 5x-1 + -1x-1X4 + -20 + -9x + 8x2 + x4

Simplifying
f = 5x-1 + -1x-1X4 + -20 + -9x + 8x2 + x4

Reorder the terms:
f = -20 + 5x-1 + -1x-1X4 + -9x + 8x2 + x4

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