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Автор - innasukovey

решительно уравнение 14x^2+25x-84=0

Ответ

Автор - lolomypp13
14x^2+25x-84=0
x1=-7/2=-3,5
x2=12/7

Ответ

Автор - Ismailovas123
Д=625+4704=5329
х1=-25+73/28=12/7
х2=-25-73/28=-98/28=-3,5

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