Question 1089604
Complete the square in x and y to solve for h,k, and r.
{{{x^2-4x+y^2-6y=3}}}
{{{(x^2-4x+4)+(y^2-6y+9)=3+4+9}}}
{{{(x-2)^2+(y-3)^2=16}}}
So,
{{{h=2}}}
{{{k=3}}}
{{{r=4}}}
Take it from there.