Question 645604
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
Complete the square: 
{{{ x^2 - 12x + highlight( 36)  = (x - highlight(6)  )^2 }}}
checking (x-6)(x-6) Using FOIL
F	First terms  x^2
O	Outside terms -6x
I	Inside terms  -6x
L	Last terms    36