f(x)=5x^3-2x^2-15

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Solution for f(x)=5x^3-2x^2-15 equation: 


Simplifying
f(x) = 5x3 + -2x2 + -15

Multiply f * x
fx = 5x3 + -2x2 + -15

Reorder the terms:
fx = -15 + -2x2 + 5x3

Solving
fx = -15 + -2x2 + 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 = -15x-1 + -2x + 5x2

Simplifying
f = -15x-1 + -2x + 5x2

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