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Автор - andrey3516

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Ответ

Автор - denisstretyakov

а)

  {x}^{3}  + 2 {x}^{2}  + x + 2 = (x + 2)( {x}^{2}  + 1)

б)

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

в)

3 {x}^{3} +  {x}^{2}  + 3x + 1 = (3x + 1)( {x}^{2}  + 1)

г)

2x + 2y -  {x}^{2}  - xy = (x + y)(2 - x)

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