Предмет: Алгебра, автор: nikitatreels

Решить уравнения
1) 25х²-1=0
2)-3x+1+(x-5)=5(3-x)+5

Ответы

Автор ответа: vipmakhinakhon

0

)))))))))))))))))))))

Приложения:

Автор ответа: tanyshik607

0

1)(5х-1)*(5х+1)=0
5х-1=0 или 5х+1=0
х=1/5 х=-1/5
Ответ:-1/5;1/5
2)-3х+1+х-5=15-5х+5
-3х+х+5х=15+5+5-1
3х=24
х=8
Ответ:8

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