Question 635381
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
{{{(6+5sqrt(3))(1-sqrt(3))}}} = {{{6 -sqrt(3) -15 = -9 -sqrt(3)= -(9+sqrt(3)) }}}
F	First terms   6
O	Outside terms -6{{{sqrt(3)}}}
I	Inside terms   5{{{sqrt(3)}}}
L	Last terms   -5·3