(x - x / 2)² - 5(x - x / 2) + 6 = 0
(x - x / 2)² +(- 2 - 3)(x - x / 2)+ (-2)× (- 3)= 0
【(x - x / 2)- 2 】【(x - x / 2) - 3 】= 0
(x - x / 2 - 2)(x - x / 2 - 3)= 0
(x / 2 - 2)(x / 2 - 3)= 0
x / 2 - 2 = 0 x / 2 - 3 = 0
x1 / 2 = 2 x2 / 2 = 3
x1 = 2 × 2 x2 = 3 × 2
x1 = 4 x2 = 6
【俊狼猎英】团队为您解答.