Быстрый ответ
$$x_{1} = - \sqrt{2} + 2$$
=
$$- \sqrt{2} + 2$$
=
0.585786437626905
$$y_{1} = \sqrt{2} + 2$$
=
$$\sqrt{2} + 2$$
=
3.41421356237309
$$x_{2} = \sqrt{2} + 2$$
=
$$\sqrt{2} + 2$$
=
3.41421356237309
$$y_{2} = - \sqrt{2} + 2$$
=
$$- \sqrt{2} + 2$$
=
0.585786437626905
$$x_{3} = -1 - \frac{\sqrt{6} i}{2} + \frac{2 i}{7} \sqrt{3} \sqrt{-5 - 2 \sqrt{6} i} - \frac{5}{14} \sqrt{-10 - 4 \sqrt{6} i}$$
=
$$-1 - \frac{\sqrt{6} i}{2} + \frac{2 i}{7} \sqrt{3} \sqrt{-5 - 2 \sqrt{6} i} - \frac{5}{14} \sqrt{-10 - 4 \sqrt{6} i}$$
=
-0.292893218813452 + 0.507305936177288*i
$$y_{3} = -1 + \frac{\sqrt{6} i}{2} - \frac{1}{2} \sqrt{-8 + \left(2 - \sqrt{6} i\right)^{2}}$$
=
$$-1 + \frac{\sqrt{6} i}{2} - \frac{1}{2} \sqrt{-8 + \left(2 - \sqrt{6} i\right)^{2}}$$
=
-1.70710678118655 + 2.95679567896047*i
$$x_{4} = -1 + \frac{2 i}{7} \sqrt{3} \sqrt{-5 + 2 \sqrt{6} i} + \frac{\sqrt{6} i}{2} + \frac{5}{14} \sqrt{-10 + 4 \sqrt{6} i}$$
=
$$-1 + \frac{2 i}{7} \sqrt{3} \sqrt{-5 + 2 \sqrt{6} i} + \frac{\sqrt{6} i}{2} + \frac{5}{14} \sqrt{-10 + 4 \sqrt{6} i}$$
=
-1.70710678118655 + 2.95679567896047*i
$$y_{4} = -1 - \frac{\sqrt{6} i}{2} + \frac{\sqrt{2}}{2} \sqrt{-5 + 2 \sqrt{6} i}$$
=
$$-1 - \frac{\sqrt{6} i}{2} + \frac{1}{2} \sqrt{-10 + 4 \sqrt{6} i}$$
=
-0.292893218813452 + 0.507305936177288*i
$$x_{5} = -1 + \frac{5}{14} \sqrt{-10 - 4 \sqrt{6} i} - \frac{\sqrt{6} i}{2} - \frac{2 i}{7} \sqrt{3} \sqrt{-5 - 2 \sqrt{6} i}$$
=
$$-1 + \frac{5}{14} \sqrt{-10 - 4 \sqrt{6} i} - \frac{\sqrt{6} i}{2} - \frac{2 i}{7} \sqrt{3} \sqrt{-5 - 2 \sqrt{6} i}$$
=
-1.70710678118655 - 2.95679567896047*i
$$y_{5} = -1 + \frac{1}{2} \sqrt{-8 + \left(2 - \sqrt{6} i\right)^{2}} + \frac{\sqrt{6} i}{2}$$
=
$$-1 + \frac{1}{2} \sqrt{-8 + \left(2 - \sqrt{6} i\right)^{2}} + \frac{\sqrt{6} i}{2}$$
=
-0.292893218813452 - 0.507305936177288*i
$$x_{6} = -1 - \frac{5}{14} \sqrt{-10 + 4 \sqrt{6} i} - \frac{2 i}{7} \sqrt{3} \sqrt{-5 + 2 \sqrt{6} i} + \frac{\sqrt{6} i}{2}$$
=
$$-1 - \frac{5}{14} \sqrt{-10 + 4 \sqrt{6} i} - \frac{2 i}{7} \sqrt{3} \sqrt{-5 + 2 \sqrt{6} i} + \frac{\sqrt{6} i}{2}$$
=
-0.292893218813452 - 0.507305936177288*i
$$y_{6} = -1 - \frac{\sqrt{2}}{2} \sqrt{-5 + 2 \sqrt{6} i} - \frac{\sqrt{6} i}{2}$$
=
$$-1 - \frac{1}{2} \sqrt{-10 + 4 \sqrt{6} i} - \frac{\sqrt{6} i}{2}$$
=
-1.70710678118655 - 2.95679567896047*i