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elkhane
@elkhane
August 2022
2
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найдите корни уравнение (0.8-4x)*(5x+5.5)=0
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оляFox
20x^2+18x-4,4=0
D=324-4*(-4.4)*20=676
x1=-18+26\40=0.2 x2=-18-26\40=-1.1
ответ: 0.2; -1.1
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Thanks 1
джери1
4x+4.4-20x^2-22x=0
20x^2+18x-4.4=0
D=324-4*20*(-4,4)
D=676
x1=-18+26/40
x1=0,2
x2=-18-26/40
x2=-1,1
Ответ:x1=0,2,x2=-1,1
1 votes
Thanks 1
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Answers & Comments
D=324-4*(-4.4)*20=676
x1=-18+26\40=0.2 x2=-18-26\40=-1.1
ответ: 0.2; -1.1
20x^2+18x-4.4=0
D=324-4*20*(-4,4)
D=676
x1=-18+26/40
x1=0,2
x2=-18-26/40
x2=-1,1
Ответ:x1=0,2,x2=-1,1