Question 41614
Let's see...
{{{sqrt(2x+6) + 6 = 0}}} Subtract 6 from both sides.
{{{sqrt(2x+6) = -6}}} Now square both sides.
{{{2x+6 = 36}}} Subtract 6 from both sides.
{{{2x = 30}}} Divide both sides by 2.
{{{x = 15}}}