f(x)=(5x^3+3x+9)

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


Simplifying
f(x) = (5x3 + 3x + 9)

Multiply f * x
fx = (5x3 + 3x + 9)

Reorder the terms:
fx = (9 + 3x + 5x3)

Remove parenthesis around (9 + 3x + 5x3)
fx = 9 + 3x + 5x3

Solving
fx = 9 + 3x + 5x3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 9x-1 + 3 + 5x2

Simplifying
f = 9x-1 + 3 + 5x2

Reorder the terms:
f = 3 + 9x-1 + 5x2

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