Численный ответ
x1 = -3.00000000000000 y1 = -4.00000000000000 x2 = 2.00000000000000 y2 = 1.00000000000000
x1 = -3.00000000000000 y1 = -4.00000000000000 x2 = 2.00000000000000 y2 = 1.00000000000000