Предмет: Алгебра, автор: tusa188

1/7 х в квадрате=9 1/ 7 решите уравнение

Ответы

Автор ответа: deniska1233

0

1/7x^2=9+1/7

1/7x^2=64/7|*7

x^2=64

x=+8

x=-8

это правильное решение!

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