$y=yx^{2}\text{ and }yx^{2}=2x-1$

$\left\{\begin{matrix}x=1\text{, }&y=1\\x=-1\text{, }&y=-3\\x=\frac{1}{2}=0.5\text{, }&y=0\end{matrix}\right.$

$\left\{\begin{matrix}y=-\frac{1-2x}{x^{2}}\text{, }&|x|=1\\y=0\text{, }&x=\frac{1}{2}\end{matrix}\right.$