J
j.r.l.o.v.e


1) [TEX]\left{\begin{(x+y)^2 + 3(x+y)+2=0}\\{x-y-5=0} [/TEX]
2) [TEX]3x^2 + 3x - 2\sqrt{x^2 + x} = 1[/TEX]
2) [TEX]3x^2 + 3x - 2\sqrt{x^2 + x} = 1[/TEX]
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