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

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


Simplifying
f(x) = x2 + 3 + -18

Multiply f * x
fx = x2 + 3 + -18

Reorder the terms:
fx = 3 + -18 + x2

Combine like terms: 3 + -18 = -15
fx = -15 + x2

Solving
fx = -15 + x2

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 + x

Simplifying
f = -15x-1 + x

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