$$x-y=1,x+y=5\overline{2e^{7}}(x^{2}+y^{2})=?$$
$x=\frac{5\sqrt{6}i}{24}+\frac{1}{2}\approx 0.5+0.510310363i$
$y=\frac{5\sqrt{6}i}{24}-\frac{1}{2}\approx -0.5+0.510310363i$
