f(x)=15x(x+2)

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Solution for f(x)=15x(x+2) equation: 


Simplifying
f(x) = 15x(x + 2)

Multiply f * x
fx = 15x(x + 2)

Reorder the terms:
fx = 15x(2 + x)
fx = (2 * 15x + x * 15x)
fx = (30x + 15x2)

Solving
fx = 30x + 15x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 30 + 15x

Simplifying
f = 30 + 15x

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