Прошу вас помогите у меня кдр ( a-4)×(a+4)-(a-5)^2 - №18322683

Прошу вас помогите у меня кдр
( a-4)×(a+4)-(a-5)^2
- Предмет:
  Алгебра
- Автор:
  puffyclements
- 6 лет назад

Ответы 1

(a-4).(a+4)-(a-5)ˇ2=(aˇ2-16)-(aˇ2-10a+25)==aˇ2-16-aˇ2+10a-25=10a-41(x-y)(x+y)=x2-yˇ2(x-y)ˇ2=xˇ2-2xy+yˇ2
- Автор:
  lina22
- 6 лет назад
- 0
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