Question 329506
Complete the square in x and y.
{{{x^2+y^2+6x-4y=-9 }}}
{{{x^2+6x+y^2-4y=-9}}}
{{{x^2+6x+9+y^2-4y+4=-9+9+4}}}
{{{(x+3)^2+(y-2)^2=4}}}