Phạm Tâm Anh | Chat Online
19/03/2020 09:59:08

Tìm x


1, x(x+7)=0
2,(x+12).(x-3)=0
3,(-x+5).(3-x)=0
4,x.(2+x).(7-x)=0
5,(x-1).(x+2).(-x-3)=0
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