Решите квадратные уравнение и установите соответствие между ними и их корнями.
х2 – 4х + 3 = 0
х1 = 1, x2 = 3
х2 + 4х + 3 = 0
х1 = -1, х2 = 4
х2 – 3х – 4 = 0

х1 = -4, x2 = 1
х2 + 3х – 4 = 0
х1 = -1, х2 = 3
х2 - 3х + 4 = 0
Корней нет
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