Решите пожалуйста систему уравнений 2x^2-y=2 и x-y=1

[latex] left { {{2x^2-y=2,} atop {x-y=1;}} ight. left { {{2x^2-(x-1)=2,} atop {y=x-1;}} ight. left { {{2x^2-x-1=0,} atop {y=x-1;}} ight. \ D=9, \ x_1=-0,5; x_2=1; \ left { {{ left [ {{x=-0,5,} atop {x=1;}} ight. } atop {y=x-1;}} ight. left [ {{ left { {{x=-0,5,} atop {y=-1,5;}} ight. } atop { left { {{x=1,} atop {y=0;}} ight.}} ight. \ (-0,5;-1,5), (1;0)[/latex]

x=1+y2(1+y)^2-y=22(1+y^2)-y=22+2y^2-y=2y^2=0y=0x=1+0x=1проверка:1-0=1