решите систему уравнений
х^2-у = 8
у+х=-2

x^2-y=8y+x=-2-------x^2-y=8x=-2-y--------(-2-y)^2-y=8x=-2-y------------4+4y+y^2-y=8x=-2-y------------y^2+3y-4=0x=-2-y------------y1=-4; y2=1x=-2-y------------y1=-4; y2=1x1=2; x2=-3ответ: (2; -4) (-3; 1)