Используя определение квадратного корня, реши уравнение √х-7=15 помогите пожалуйста - №30330840

Используя определение квадратного корня, реши уравнение √х-7=15
помогите пожалуйста
- Предмет:
  Алгебра
- Автор:
  angelawoods
- 6 лет назад

Ответы 1

√(x-7)=15 , x-7≥0, x≥7
(√(x-7))²=15²
x-7=225
x=232
- Автор:
  gianaoneill
- 6 лет назад
- 0
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