f(x)=12x^3+4x^2+15x+5

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Solution for f(x)=12x^3+4x^2+15x+5 equation: 


Simplifying
f(x) = 12x3 + 4x2 + 15x + 5

Multiply f * x
fx = 12x3 + 4x2 + 15x + 5

Reorder the terms:
fx = 5 + 15x + 4x2 + 12x3

Solving
fx = 5 + 15x + 4x2 + 12x3

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 + 15 + 4x + 12x2

Simplifying
f = 5x-1 + 15 + 4x + 12x2

Reorder the terms:
f = 15 + 5x-1 + 4x + 12x2

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