Question 412594
First turn this into an algebraic equation.
{{{x+6*1/x=-5}}} = {{{x+6/x=-5}}}
Now, you can use the quadratic formula, multiply both sides by x, {{{x^2+6=-5x}}}
move everything to one side.  {{{x^2+5x+6=0}}}  Now simply use the quadratic formula.
*[invoke quadratic "x", 1, 5, 6 ]