Solve for f_6
f_{6}=-9x+\frac{2}{x}
x\neq 0
Solve for x
x=\frac{\sqrt{f_{6}^{2}+72}-f_{6}}{18}
x=\frac{-\sqrt{f_{6}^{2}+72}-f_{6}}{18}
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xf_{6}=2-9x^{2}
The equation is in standard form.
\frac{xf_{6}}{x}=\frac{2-9x^{2}}{x}
Divide both sides by x.
f_{6}=\frac{2-9x^{2}}{x}
Dividing by x undoes the multiplication by x.
f_{6}=-9x+\frac{2}{x}
Divide 2-9x^{2} by x.
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