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Автор - kotika50

x(x {}^{2}  + 2 x + 1) = 2(x + 1)
решите уравнение, не знаю как​

Ответ

Автор - mefody66

x*(x+1)^2 - 2(x+1) = 0

(x+1)(x*(x+1) - 2) = 0

x1 = - 1

x^2 + x - 2 = 0

(x+2)(x-1) = 0

x2 = - 2

x3 = 1

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