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Найдите корни уравнений: x(x+2)-(x+3)(x-3)=13
50 балов дам
Ответы 4
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Правельно
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Автор:
scout0juh - 5 лет назад
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0
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А проверка делается???
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Автор:
mae - 5 лет назад
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0
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А все спасибо
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Автор:
andreaapij - 5 лет назад
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0
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X^2+2x-(x^2-9)=x^2+2x-x^2+9=2x+9
2x+9=13
2x=4
x=2
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Автор:
guy - 5 лет назад
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0
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