f(x)=x^5-8x^3-9x

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Solution for f(x)=x^5-8x^3-9x equation: 


Simplifying
f(x) = x5 + -8x3 + -9x

Multiply f * x
fx = x5 + -8x3 + -9x

Reorder the terms:
fx = -9x + -8x3 + x5

Solving
fx = -9x + -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 = -9 + -8x2 + x4

Simplifying
f = -9 + -8x2 + x4

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