Решите систе
му уравнений {x+y=-2 {x^2-2xy+y^2=16

x+y=-2   y=-2-xx^2-2xy+y^2=16x^2-2x(-2-x)+(-2-x)^2=16x^2+4x+2x^2+4+4x+x^2=164x^2+8x-12=0   |:4x^2+2x-3=0x1*x2=-3   x1=-3x1+x2=-2  x2=1-3+y=-2y1=11+y=-2y2=-3Ответ:(-3;1),(1;-3)