Решите уравнение: x²-x+9=(x+2)² - Дата: 12.12.2019, Автор: siennaaok7 - №10571970

Решите уравнение:
x²-x+9=(x+2)²
- Предмет:
  Алгебра
- Автор:
  siennaaok7
- 6 лет назад

Ответы 2

х^2 - x + 9 = (x + 2)^2х^2 - x + 9 = x^2 + 4x + 4 х^2 - x + 9 - x^2 - 4x - 4 = 0 - 5x = - 5x = 1
- Автор:
  gamsovbf
- 6 лет назад
- 0
Решение на фотографии
- Автор:
  alfonsotoog
- 6 лет назад
- 0
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