Question

Помогите решить
(y=x+2
{
(xy=8

Answer 1

(y=x+2

{

(xy=8

xy = 8, y = x + 2

x(x + 2) = 8

x^2 + 2x - 8 = 0

x1x2 = -8

x1 + x2 = -2

x1 = 2, x2 = -4

y = x + 2

y1 = 2 + 2 = 4

y2 = 2 - 4 = -2

Ответ: (2; 4), (-4; -2)