help) преоброзуйте выражение в тождество равное ему (2x+y) в кавадрате - №27801386

help) преоброзуйте выражение в тождество равное ему (2x+y) в кавадрате
- Предмет:
  Алгебра
- Автор:
  brent
- 5 лет назад

Ответы 1

(2x+y)^2=4x^2+4xy+y^2. Ответ: 4x^2+4xy+y^2.
- Автор:
  landon7f2f
- 5 лет назад
- 0
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