(x-3)^2 = (2-x)(x-3)(x-3)^2 = -x^2 + 2x + 3x - 6(x-3)^2 = -x^2 + 5x - 6x^2 - 6x + 9 = -x^2 + 5x - 62x^2 - 11x + 15 = 0
Дискриминант D = (-11)^2 - 4215 = 121 -120 = 1
x1,2 = (11 ± √1) / 4x1 = (11 + 1) / 4 = 3x2 = (11 - 1) / 4 = 2.5
Ответ: x1 = 3, x2 = 2.5.
(x-3)^2 = (2-x)(x-3)
(x-3)^2 = -x^2 + 2x + 3x - 6
(x-3)^2 = -x^2 + 5x - 6
x^2 - 6x + 9 = -x^2 + 5x - 6
2x^2 - 11x + 15 = 0
Дискриминант D = (-11)^2 - 4215 = 121 -120 = 1
x1,2 = (11 ± √1) / 4
x1 = (11 + 1) / 4 = 3
x2 = (11 - 1) / 4 = 2.5
Ответ: x1 = 3, x2 = 2.5.