Y-3x=2 x2-2y=3 система уравнений

{y-3x=2{x²-2y=3y=2+3xx²-2(2+3x)=3x²-4-6x=3x²-6x-4=3x²-6x-4-3=0x²-6x-7=0D=-6²-4*1(-7)=36-(-28)=64=8x¹=6-8/2*1=-2/2=-1x²=6+8/2*1=14/2=7y-3(-1)=2 -1²-2y=3y-(-3)=2 1-2y=3y+3=2 2y=1-3y=2-3 2y=-2y=-1 y=-2:2 y=-1y-3*7=2 7²-2y=3y-21=2 49-2y=3y=2+21 2y=49-3y=23 2y=46 y=46:2 y=23Ответ: (-1;-1)(7;23)