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Dima777000
@Dima777000
July 2022
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Решите уравнение х^2+х-2=0
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PolinaKoretskaya2001
X²+x+2=0
D=1+4*1*2=9=3²
x1= (-1+3)÷2=1
x2= (-1-3)÷2=-2
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Answers & Comments
D=1+4*1*2=9=3²
x1= (-1+3)÷2=1
x2= (-1-3)÷2=-2