решить уравнение -(3х+7х² -5)-(5х-7х² +1)=-(15+20) - №18063705

решить уравнение -(3х+7х² -5)-(5х-7х² +1)=-(15+20)
- Предмет:
  Алгебра
- Автор:
  starr
- 5 лет назад

Ответы 1

-3x-7x^2+5-5x+7x^2-1=-15-20-8x=-39x=39/8=4.875
- Автор:
  pepperhatm
- 5 лет назад
- 0
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