Respuestas

2013-10-09T08:29:44+02:00
4y/3x -3  * (x^2 -x -2)/x^2 + 2x =
4y/3x-3 * (x-2)(x+1)/x(x+2) =
4y/3(x-1) * (x-2)(x+1)x(x+2)=
4y(x-2)(x+1)/3x(x-1)(x+2)