Respuesta :

caylus
Hello

1)
[tex] \frac{2x(x-3)}{(x-1)(x+1)}*\frac{x(x-1)}{(x-3)}*\frac{3(x+1)}{1} [/tex]
[tex] =\frac{6x(x+1)}{x+1}=6x [/tex]

2)
[tex] \frac{2(x-1)-(x+1)-(x+2)}{(x-1)(x+1)(x+2)}=\frac{-5}{(x-1)(x+1)(x+2)} [/tex]