Solve for x (complex solution)
\left\{\begin{matrix}x=\frac{y^{2}+1}{f}\text{, }&f\neq 0\\x\in \mathrm{C}\text{, }&\left(y=-i\text{ or }y=i\right)\text{ and }f=0\end{matrix}\right.
Solve for x
x=\frac{y^{2}+1}{f}
f\neq 0
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fx=y^{2}+1
The equation is in standard form.
\frac{fx}{f}=\frac{y^{2}+1}{f}
Divide both sides by f.
x=\frac{y^{2}+1}{f}
Dividing by f undoes the multiplication by f.
fx=y^{2}+1
The equation is in standard form.
\frac{fx}{f}=\frac{y^{2}+1}{f}
Divide both sides by f.
x=\frac{y^{2}+1}{f}
Dividing by f undoes the multiplication by f.
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