$\begin{array}{1 1}y - x +2 = log(x^2)(y+2)^2 \\ y+ x +2 = log(x^2)(y-2)^2 \\ y - x - 2 = log(x^2)(y-2)^2 \\ y + x +2 = log(x^2)(y+2)^2 \end{array} $