Question 437956
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi
{{{ (sqrt(3x+1) + 2)^2 =(sqrt(3x+1) + 2)*(sqrt(3x+1) + 2)}}}
   F	First terms (3x+1)
   O	Outside terms 2{{{sqrt(3x+1)}}}
   I	Inside terms  2{{{sqrt(3x+1)}}}
   L	Last terms    4
   
                 3x + 5 + 4{{{sqrt(3x+1)}}}