Предмет: Математика, автор: mariaantyanette

Найдите корень уравнения и сделайте проверку: х*х-1=15

Ответы

Автор ответа: siona98

х*х-1=152х=16
х=8
Проверка:
8*8-1=15

Автор ответа: ДжеромД

Х^2-1=15
X^2=15-1
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