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Разложить квадратный трехчлен на множители:
- х2 – 8х + 9-
Предмет:
Математика -
Автор:
cline - 5 лет назад
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Ответы 1
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решаем квадратное уравнение, находим корни Х1 и Х2, раскладывает по формуле ax²+bx+c=a(x-x1)(x-x2).В данном случае получаем=-(х+9)(х-1)
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Автор:
maxine - 5 лет назад
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