dau coroana
clasa a 8 a


Dau Coroana Clasa A 8 A class=

Răspuns :

[2(x+3)-12]/(x+3) · (x-3)(x+3)/(x-3)²=

simplificam

(2x-6)/(x+3) ·(x+3)/(x-3)=

2(x-3)/(x+3)·(x+3)/(x-3)=2