$$x_{1} = - \frac{1}{2} + \frac{\sqrt{33}}{2}$$
=
$$- \frac{1}{2} + \frac{\sqrt{33}}{2}$$
=
2.37228132326901
$$z_{1} = - \frac{1}{2} + \frac{\sqrt{33}}{2}$$
=
$$- \frac{1}{2} + \frac{\sqrt{33}}{2}$$
=
2.37228132326901
$$x_{2} = - \frac{\sqrt{33}}{2} - \frac{1}{2}$$
=
$$- \frac{\sqrt{33}}{2} - \frac{1}{2}$$
=
-3.37228132326901
$$z_{2} = - \frac{\sqrt{33}}{2} - \frac{1}{2}$$
=
$$- \frac{\sqrt{33}}{2} - \frac{1}{2}$$
=
-3.37228132326901