R
reforming


\[\left\{ \begin{array}{l}
{x^2} + 1 + y(y + x) = 4y\\
({x^2} + 1)(y + x - 2) = y
\end{array} \right.\]
{x^2} + 1 + y(y + x) = 4y\\
({x^2} + 1)(y + x - 2) = y
\end{array} \right.\]