- №19420716

А)x2-8x+15>0
Б)8-2x2>0
В)(2+7x)2<(4-3x)2
Г)4x2-20x+25>0
F(x)=x-1/корень квадратный -6x2+11x-5>0
Помогите пожалуйста
- Предмет:
  Алгебра
- Автор:
  magdalenafoqf
- 6 лет назад

Ответы 1

А) x2-8x+15=oD=64-4*15=4x1=8-2/2x1=3X2=8+2/2X2=5все остальные по этому примеру сделай
- Автор:
  esperanzabranch
- 6 лет назад
- 0
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