Solve for f
f=-x-1+\frac{3}{x}
x\neq 0
Solve for x
x=\frac{\sqrt{f^{2}+2f+13}-f-1}{2}
x=\frac{-\sqrt{f^{2}+2f+13}-f-1}{2}
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xf=3-x-x^{2}
The equation is in standard form.
\frac{xf}{x}=\frac{3-x-x^{2}}{x}
Divide both sides by x.
f=\frac{3-x-x^{2}}{x}
Dividing by x undoes the multiplication by x.
f=-x-1+\frac{3}{x}
Divide -x^{2}-x+3 by x.
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