aflam cmmdc pt. 4n+8 si 3n+6; le descompunem in factori primi
4n+8=4(n+2)
3n+6=3(n+2)
deci (4n+8, 3n+6)=(n+2) care e factorul comun
putem considera n=0 cand (4n+8, 3n+6)=2
n=1 cand (4n+8, 3n+6)=3
n=2 cand (4n+8, 3n+6)=4
n=3 cand (4n+8, 3n+6)=5
n=4 cand (4n+8, 3n+6)=6