N
nguyenlinh0509


giai phuong trinh :
a,[TEX](x^2-x)^2-2=x^2-x[/TEX]
b,[TEX]x(x+1)(x-1)(x+2)=24[/TEX]
b-(b-(b-(b-(b-(hoi kho day
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chú ý latex
a,[TEX](x^2-x)^2-2=x^2-x[/TEX]
b,[TEX]x(x+1)(x-1)(x+2)=24[/TEX]
b-(b-(b-(b-(b-(hoi kho day
chú ý latex
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