Предмет: Алгебра, автор: Danja3833

Помогите!!! Решить уравнение. х^2+3х+2=0

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Автор ответа: арсен2000

0

D=b2-4ac
D=9-4*1*2=1
x1=(-3+1)/2 = -1
x2 =(-3-1)/2=-2

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