Предмет: Алгебра, автор: Ару1234567

разложите квадратный трёхчлен на множитель 3x^2+5x+2=0

Ответы

Автор ответа: tamarabernukho
1
D=25-4*3*2=1
x1=(-5-1)/6=-1
x2=(-5+1)/6=-2/3
3x²+5x+2=3(x+1)(x+2/3)=(x+1)(3x+2)
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