Ответ:
x^2 + 25x + 126 = 0
D = 25^2 - 126*4 = √121 = 11
x1 = -25 + 11 / 2 = -7
x2 = -25 -11 / 2 = -18
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Ответ:
x^2 + 25x + 126 = 0
D = 25^2 - 126*4 = √121 = 11
x1 = -25 + 11 / 2 = -7
x2 = -25 -11 / 2 = -18