f(x)=x(900-9x)

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Solution for f(x)=x(900-9x) equation: 


Simplifying
f(x) = x(900 + -9x)

Multiply f * x
fx = x(900 + -9x)
fx = (900 * x + -9x * x)
fx = (900x + -9x2)

Solving
fx = 900x + -9x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 900 + -9x

Simplifying
f = 900 + -9x

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