Упростите выражение (7 + х)(7 – х) + (х + 3)^2. - №29297046

Упростите выражение (7 + х)(7 – х) + (х + 3)^2.
- Предмет:
  Математика
- Автор:
  gilberto
- 6 лет назад

Ответы 1

49- $x^{2}$ + $x^{2}$ +6x+9=6x+58
- Автор:
  grimes
- 6 лет назад
- 0
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