решите уравнения 30x2+13x-3=0 - №2577141

решите уравнения
30x2+13x-3=0
- Предмет:
  Алгебра
- Автор:
  coco92
- 6 лет назад

Ответы 1

$30x^2+13x-3=0 \\\ D=169+360=529 \\\ x_1= \frac{-13+23}{30} = \frac{1}{3} \\\ x_2= \frac{-13-23}{30} =- 1.2$
- Автор:
  mistress
- 6 лет назад
- 0
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