1) x^2 + 11x = 0 2) 3x^2 - 35 = 03)x^2 + 64 = 0 - №17564761

1) x^2 + 11x = 0
2) 3x^2 - 35 = 0
3)x^2 + 64 = 0
- Предмет:
  Алгебра
- Автор:
  basilhoward
- 6 лет назад

Ответы 1

1) x^2 + 11x = 0x(x + 11) = 0x = 0x + 11 = 0x = - 112) 3x^2 - 35 = 0D = b^2 - 4ac = 0 + 420 = 420x1,2 = +/- √420 / 63) x^2 + 64 = 0x^2 = - 64 - корней нет.
- Автор:
  macho
- 6 лет назад
- 0
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