C
chuongquynhon


[TEX]1) a(1-ax) = 4b - 2ax[/TEX]
[TEX]2) m^2 (x-2) 3m = x + 1[/TEX]
[TEX]3) m^2 + m^2x = 4m + 21 - 3mx[/TEX]
[TEX]4) a(ax + b) = b^2(x-1)[/TEX]
[TEX]2) m^2 (x-2) 3m = x + 1[/TEX]
[TEX]3) m^2 + m^2x = 4m + 21 - 3mx[/TEX]
[TEX]4) a(ax + b) = b^2(x-1)[/TEX]
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