Объясните пожалуйста, как решать подобные примеры.Сумма модулей корней уравнения x^4 - - №6875509

Объясните пожалуйста, как решать подобные примеры.

Сумма модулей корней уравнения x^4 - 3x^2 - 4 = 0.

Очень срочно. Заранее благодарю.
- Предмет:
  Алгебра
- Автор:
  maddyyzmd
- 5 лет назад

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