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JeevasM
@JeevasM
July 2022
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х3 + х2 - 2х = 0
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Dеrevo
X(x^2+x-2)=0
x=0 //первый корень
x^2+x-2=0
через дискриминант
Д=1+8=9
x=(-1+3)/2=1
x=1//второй корень
x=(-1-3)/2=-2
x=-2//третий корень
3 votes
Thanks 4
JeevasM
спасибо :)
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Answers & Comments
x=0 //первый корень
x^2+x-2=0
через дискриминант
Д=1+8=9
x=(-1+3)/2=1
x=1//второй корень
x=(-1-3)/2=-2
x=-2//третий корень