Предмет: Алгебра, автор: lavanda88

укажите равносильные уравнения:

x^2/x-5=25/x-5 и x^2=25
3/x+2=x-1/x+2 и x+2=3
x^2-3x/x^2-9=0 и x^2-3x=0
x+1/x^2+2x+1=0 и x^2+1=0

спасибо

Ответы

Автор ответа: MilaKwik
0
А что это за знак ^? Объясните.
Автор ответа: lavanda88
0
Это x в квадрате)
Автор ответа: MilaKwik
0
ммм:D
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