Упростите выражение:а)(m-2)²-(m+1)(-3);б)5(d-c)²+10dc;в)x³+(2-x)(x²+2x+4) - №5565649

Упростите выражение:
а)(m-2)²-(m+1)(-3);
б)5(d-c)²+10dc;
в)x³+(2-x)(x²+2x+4)
- Предмет:
  Алгебра
- Автор:
  rudy95
- 5 лет назад

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