решите уравнения1) 4х²-7х=02) х²+8х-9=03)12х²-5х-2=04)х²-6х-3=05)х²-3х+11=0 - №28641611

решите уравнения
1) 4х²-7х=0
2) х²+8х-9=0
3)12х²-5х-2=0
4)х²-6х-3=0
5)х²-3х+11=0
- Предмет:
  Алгебра
- Автор:
  belleepxo
- 5 лет назад

Ответы 1

1)x*(4x-7)=0x=04x-7=0x=0x=7/42)(x+9)*(x-1)=0x+9=0x-1=0x=-9x=1
- Автор:
  raynamccall
- 5 лет назад
- 0
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