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Tigraexe
@Tigraexe
July 2022
1
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решите квадратные уравнения по общей формуле
x^2+x-2=0
2x^2+5x+2=0
3x^2-7x+12=0
x^2-2x-1=0
5x^2+2x+6=0
42x^2+5x-2=0
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felhsevovp3qk7r
1) x = 1 x = -2
2) x = -1/2 x = -2
3) решений нет
4) 1+sqrt2 1-sqrt2
5) решений нет
6) x = 1/6 x = -2/7
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Answers & Comments
2) x = -1/2 x = -2
3) решений нет
4) 1+sqrt2 1-sqrt2
5) решений нет
6) x = 1/6 x = -2/7