Question 78278
<pre>

Solve each of the following quadratic equations by completing the square.
 x^2-6x-3=0


      x^2 - 6x - 3 = 0

    x^2 - 6x + ___ = 3
    
    x^2 - 6x + 9 = 3 + 9

       (x - 3)^2 = 12

          x - 3 = +-{{{sqrt (12)}}}

          x - 3 = +-{{{sqrt (4*3)}}}

          x -3 = +- 2 {{{sqrt (3)}}}

           x = 3 +- 2 {{{sqrt (3)}}} 

x = 3 + 2 {{{sqrt (3)}}} or  x = 3 - 2 {{{sqrt (3)}}}