Question 613897
{{{x^2+6x=-8 }}}
take 1/2 'b', square it and add to both sides:
{{{x^2+6x +9 =-8 +9 }}}
{{{(x+3)^2 = 1 }}}
{{{ x+3 = sqrt(1) }}}
{{{ x = sqrt(1)-3 }}}
x = {-4, -2}