f(x)=9x^4+8x^3-6x^3+2x

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Solution for f(x)=9x^4+8x^3-6x^3+2x equation: 


Simplifying
f(x) = 9x4 + 8x3 + -6x3 + 2x

Multiply f * x
fx = 9x4 + 8x3 + -6x3 + 2x

Reorder the terms:
fx = 2x + 8x3 + -6x3 + 9x4

Combine like terms: 8x3 + -6x3 = 2x3
fx = 2x + 2x3 + 9x4

Solving
fx = 2x + 2x3 + 9x4

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 2 + 2x2 + 9x3

Simplifying
f = 2 + 2x2 + 9x3

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