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maks7000
@maks7000
August 2022
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Помогите Алгебра 8 кл
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Настасья874
Решение:
5x²+4x-1=0
D=16-4*5*(-1)=16+20=36
x1=(-4+6)/10=0.2
x2=(-4-6)/10=-1
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maks7000
А другие примеры?
Настасья874
D=36-36=0
x=-6+-0/2=-3
Otvet: -3
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Answers & Comments
5x²+4x-1=0
D=16-4*5*(-1)=16+20=36
x1=(-4+6)/10=0.2
x2=(-4-6)/10=-1
x=-6+-0/2=-3
Otvet: -3