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Вавучо1
@Вавучо1
August 2022
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2х^2+3х-2=0 помогите пж
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ArgentumV
2х²+3х-2=0
a=2; b=3; c=-2
D=b²-4ac
D=3²-4*2*(-2)=9+16=25
D>0
x=(-b±√D)/2a
x=(-3±5)/4
x=-2; x=0,5
1 votes
Thanks 1
тупая84
А=2,б=3,с=-2
D=b^2-4ac=9+16=25, D>0, 2корня
х1=-b^2-корень изD/2a=-9-5/4=14/4=3,5
x2=-9+5/4=-4/4=-1
0 votes
Thanks 0
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Answers & Comments
a=2; b=3; c=-2
D=b²-4ac
D=3²-4*2*(-2)=9+16=25
D>0
x=(-b±√D)/2a
x=(-3±5)/4
x=-2; x=0,5
D=b^2-4ac=9+16=25, D>0, 2корня
х1=-b^2-корень изD/2a=-9-5/4=14/4=3,5
x2=-9+5/4=-4/4=-1