Question 6164
{{{4sqrt(3)+2sqrt(12)}}}
Use the property {{{sqrt(ab)=sqrt(a)sqrt(b)}}}
{{{4sqrt(3)+2sqrt(3)sqrt(4)}}} 4 is a perfect square. 
Thus
{{{4sqrt(3)+2*2sqrt(3)}}} = {{{4sqrt(3)+4sqrt(3)}}}
Combine like terms
{{{8sqrt(3)}}}
Hope this helps