Răspunsuri

2014-01-22T19:09:11+02:00
(x+2)(x-1)/(x+3)(x-1) si simplifici iar dupa aia iti va da X+2/X+3
2014-01-22T19:09:48+02:00
(x^2+x-2)/(x^2+2x-3)=(x^2+x-2x-2)/(x^2+x-3x-3)={x(x+1)-2(x+1)}/{x(x+1)-3(x+1)}=(x-2)(x+1)/(x-3)(x+1)=(x-2)/(x-3)