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fiodorovaolgha

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1)x^2 - 9 x +14 =0 2) 2x^2 -3 x - 2 = 0 3) 4x^2 + 4x + 1 = 0 4)-7x^2 = 2 - 5x...
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Приведите уравнение к виду ax^2 + bx +c =0. вот уравнение: ( x - 4 )^2 = x (2x +...
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