Solve for f
f=7x+\frac{7}{x}
x\neq 0
Solve for x (complex solution)
x=\frac{-\sqrt{f^{2}-196}+f}{14}
x=\frac{\sqrt{f^{2}-196}+f}{14}
Solve for x
x=\frac{-\sqrt{f^{2}-196}+f}{14}
x=\frac{\sqrt{f^{2}-196}+f}{14}\text{, }|f|\geq 14
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xf=7x^{2}+7
The equation is in standard form.
\frac{xf}{x}=\frac{7x^{2}+7}{x}
Divide both sides by x.
f=\frac{7x^{2}+7}{x}
Dividing by x undoes the multiplication by x.
f=7x+\frac{7}{x}
Divide 7x^{2}+7 by x.
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