Укажите уравнение, которое имеет два различных корня:
А) 3х ^2+7х +5 = 0;
Б) 5х^ 2 - 6х +1= 0;
В) 9х^ 2 + 6х +1= 0;
Г) 2х ^2 - 5х + 5 = 0;
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