Question 621717
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
{{{ (sqrt(6)+ 3sqrt(3))}}}^2
{{{ (sqrt(6)+ 3sqrt(3))(sqrt(6)+ 3sqrt(3))}}}
F	First terms  6
O	Outside terms {{{3sqrt(18)= 3sqrt(9*2) = 9sqrt(2)}}}
I	Inside terms  {{{3sqrt(18)= 3sqrt(9*2) = 9sqrt(2)}}}
L	Last terms   27
 {{{ (sqrt(6)+ 3sqrt(3))}}}^2 =   33 + 18sqrt(2)