f(x)=x^3-7.5x^2+18x

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Solution for f(x)=x^3-7.5x^2+18x equation: 


Simplifying
f(x) = x3 + -7.5x2 + 18x

Multiply f * x
fx = x3 + -7.5x2 + 18x

Reorder the terms:
fx = 18x + -7.5x2 + x3

Solving
fx = 18x + -7.5x2 + x3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 18 + -7.5x + x2

Simplifying
f = 18 + -7.5x + x2

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