Question 147242
{{{x^2 + 6x + 1 = 0}}}
{{{x^2 + 2*x*3 + 3^2 - 3^2 + 1 = 0}}}
{{{(x+ 3)^2 - 9 + 1 = 0}}}
{{{(x+ 3)^2 - 8 = 0}}}
{{{(x+ 3)^2 = 8}}}
{{{(x+ 3) = +- sqrt(8)}}}
{{{x = -3 +- 2sqrt(2)}}}