Se,rationalizeaza,fractia,din,prima,paranteza,adica,inmultim,cu,√7+√5,si,apoi,din,a,doua,paranteza
[2(√7+√5)/(7-5)-√5]:√14/6-(12√3/12-12√3/18)·√6=
(√7+√5-√5):√14/6-(√3-2√3/3)·√6=
√7·6/√14-√3·√6=
√7·6/(√2·√7)-3√2=
6/√2-3√2=
Rationalizam,din,nou,inmultind,cu,√2
6√2/2-3√2=
3√2-3√2=0
