x^2+y^2=20 x*y-6=0

Вы ввели

 2    2     
x  + y  = 20

$$x^{2} + y^{2} = 20$$

x*y - 6 = 0

$$x y - 6 = 0$$

Быстрый ответ

$$x_{1} = - 3 \sqrt{2}$$
=
$$- 3 \sqrt{2}$$
=

-4.24264068711928

$$y_{1} = - \sqrt{2}$$
=
$$- \sqrt{2}$$
=

-1.4142135623731

$$x_{2} = - \sqrt{2}$$
=
$$- \sqrt{2}$$
=

-1.4142135623731

$$y_{2} = - 3 \sqrt{2}$$
=
$$- 3 \sqrt{2}$$
=

-4.24264068711928

$$x_{3} = \sqrt{2}$$
=
$$\sqrt{2}$$
=

1.4142135623731

$$y_{3} = 3 \sqrt{2}$$
=
$$3 \sqrt{2}$$
=

4.24264068711928

$$x_{4} = 3 \sqrt{2}$$
=
$$3 \sqrt{2}$$
=

4.24264068711928

$$y_{4} = \sqrt{2}$$
=
$$\sqrt{2}$$
=

1.4142135623731

Численный ответ

x1 = -4.242640687119285
y1 = -1.414213562373095

x2 = 1.414213562373095
y2 = 4.242640687119285