Question 537377
<pre>
(x - 6)² = 4

Take away the square on the left, take ± the square root of the
right side:
            _
  x - 6 = ±<font face = "symbol">Ö</font>4

  x - 6 = ±2

      x = 6 ± 2

Using the +        Using the -

x = 6 + 2          x = 6 - 2
x = 8              x = 4

Edwin</pre>