Răspuns:
[tex]\frac{x^2+2x+1}{2x^2-2}*\frac{2x}{x+1} =\frac{(x+1)^2}{2(x^2-1)} *\frac{2x}{x+1} =\frac{x+1}{(x-1)(x+1)} *x=\frac{x}{x-1}[/tex]
