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Автор - evgeniygladkof

Разложи на множители x3+4x2−2x−8.

Ответ

Автор - momogahari

Ответ:

 {x}^{3}  + 4x {}^{2}  - 2x - 8 =

 = x {}^{2} (x + 4) - 2(x + 4) =

 = (x {}^{2}  - 2)(x + 4)

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