f(x)=2x^3-4x^2-10x+20

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Solution for f(x)=2x^3-4x^2-10x+20 equation: 


Simplifying
f(x) = 2x3 + -4x2 + -10x + 20

Multiply f * x
fx = 2x3 + -4x2 + -10x + 20

Reorder the terms:
fx = 20 + -10x + -4x2 + 2x3

Solving
fx = 20 + -10x + -4x2 + 2x3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 20x-1 + -10 + -4x + 2x2

Simplifying
f = 20x-1 + -10 + -4x + 2x2

Reorder the terms:
f = -10 + 20x-1 + -4x + 2x2

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