Объяснение:
x²+x-6 = 0
(x+3)(x-2) = 0
x+3 = 0 x-2 = 0
x₁ = -3 x₂ = 2
ответ: x₁ = -3, x₂ = 2.
Х^2+х-6=0
Х^2+2х/2+1/4-1/4-6=0
(Х^2+2х/2+1/4)=6 1/4
(Х+1/2)^2=25/4
Х+1/2=5/ 2 или х+1/2=-5/2
Х=2. Х=-3
Объяснение:
x²+x-6 = 0
(x+3)(x-2) = 0
x+3 = 0 x-2 = 0
x₁ = -3 x₂ = 2
ответ: x₁ = -3, x₂ = 2.
Объяснение:
Х^2+х-6=0
Х^2+2х/2+1/4-1/4-6=0
(Х^2+2х/2+1/4)=6 1/4
(Х+1/2)^2=25/4
Х+1/2=5/ 2 или х+1/2=-5/2
Х=2. Х=-3