Верно ли равенство (х-7)(8-х)=(7-х)(х-8) ( с решением) - №31983018

Верно ли равенство
(х-7)(8-х)=(7-х)(х-8) ( с решением)
- Предмет:
  Алгебра
- Автор:
  billyjsgv
- 5 лет назад

Ответы 3

Спасибо)
- Автор:
  chumphc3f
- 5 лет назад
- 0
8х-х*-56+7х=7х-56-х*+8х
* это квадрат
-х*+15х-56=-х*+15х-56
Верно
- Автор:
  kylainly
- 5 лет назад
- 0
(x-7)(8-x)=(7-x)(x-8)
8x-2x-56+7x=7x-56-2x+8x
13x-56=13x-56
Ответ:да, верно
- Автор:
  fitzgerald
- 5 лет назад
- 0
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