$$x_{1} = - \frac{1}{2} + \frac{\sqrt{17}}{2}$$
=
$$- \frac{1}{2} + \frac{\sqrt{17}}{2}$$
=
1.56155281280883
$$y_{1} = \frac{1}{2} + \frac{\sqrt{17}}{2}$$
=
$$\frac{1}{2} + \frac{\sqrt{17}}{2}$$
=
2.56155281280883
$$x_{2} = - \frac{\sqrt{17}}{2} - \frac{1}{2}$$
=
$$- \frac{\sqrt{17}}{2} - \frac{1}{2}$$
=
-2.56155281280883
$$y_{2} = \frac{1}{2} - \frac{\sqrt{17}}{2}$$
=
$$\frac{1}{2} - \frac{\sqrt{17}}{2}$$
=
-1.56155281280883