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@xxx1111000
August 2022
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Решите квадратное уравнение, пожалуйста
-14x²+39x-10=0
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AlfaAndOmega
14x^2-39x+10=0
D=39^2-4*10*14=961=31^2
x=(39+31)/28 и x=(39-31)/28
x=2,5 и x=2/7
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Answers & Comments
D=39^2-4*10*14=961=31^2
x=(39+31)/28 и x=(39-31)/28
x=2,5 и x=2/7