ответ: 1) x1 = 1.5, x2 = 3 2)
2) x1= x2 =
Объяснение:
1) 2x^2 + 3x - 6x - 9 = 0
x(2x+3) - 3(2x+3) = 0
(2x+3) (x-3) =0
(2x+3) (x-3) = 0
2x+3=0
x-3=0
x==3.5
x=3
ответ: 1) x1 = 1.5, x2 = 3 2)
2) x1= x2 =
Объяснение:
1) 2x^2 + 3x - 6x - 9 = 0
x(2x+3) - 3(2x+3) = 0
(2x+3) (x-3) =0
(2x+3) (x-3) = 0
2x+3=0
x-3=0
x==3.5
x=3