Решите квадратное уравнение, очень надо: само уравнение; 3x(в квадрате) + x - 2 = 0 - №20544950

Решите квадратное уравнение, очень надо: само уравнение; 3x(в квадрате) + x - 2 = 0
- Предмет:
  Алгебра
- Автор:
  dottieozxc
- 5 лет назад

Ответы 1

3x²+x-2=0a=3, b=1, c=-2D=b²-4ac=1²-4.3.(-2)=1+24=25, √D=√25=5x1=(-1+5)/6=4/6=2/3, x1=2/3x2=(-1-5)/6=(-6)/6=-1, x2=-1
- Автор:
  rishikrause
- 5 лет назад
- 0
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