X(x+4)-(x-3)(x+7)= Раскрыть скобки - №31288052

X(x+4)-(x-3)(x+7)=
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- Предмет:
  Алгебра
- Автор:
  trey
- 5 лет назад

Ответы 1

x(x+4)-(x-3)(x+7)=x^2+4x-(x^2+7x-3x-21)=x^2+4x-x^2-7x+3x+21=21
- Автор:
  bryson
- 5 лет назад
- 0
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