Найти корни уравненияx^2-3x-10=0 - №5540860

Найти корни уравнения
x^2-3x-10=0
- Предмет:
  Алгебра
- Автор:
  zenaia5b
- 5 лет назад

Ответы 2

Д=9+40=49х1=(3+7)/2=5х2=(3-7)/2=-2
- Автор:
  ritapfa8
- 5 лет назад
- 0
$D=9+4*10=49 \\ x _{1} = \frac{3+7}{2} =5 \\ x _{2} = \frac{3-7}{2} =-2$
- Автор:
  sugar40
- 5 лет назад
- 0
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