x la a treia plus 3x la a doua minus x minus 3
![X La A Treia Plus 3x La A Doua Minus X Minus 3 class=](https://ro-static.z-dn.net/files/d1b/afc14325edecbbba851cf39c4f7dd0ba.jpg)
Răspuns:
X la a 2 ( x plus 1) plus x plus unu
2 x la a 2 (x plus 1)