Question 869003
{{{4x^2+16=-24x}}}
{{{4x^2+16+24x=0}}}
{{{x^2+6x+4=0}}}
{{{x^2+6x+9+4=9}}}
{{{(x+3)^2=9-4}}}
{{{(x+3)^2=5}}}
{{{x+3=0 +- sqrt(5)}}}
{{{x=-3 +- sqrt(5)}}}