Question 555597
{{{3x^2+y^2+18x-2y+4=0}}}
{{{(3x^2+18x)+(y^2-2y)+4=0}}}
{{{3(x^2+6x)+(y^2-2y)+4=0}}}
{{{3((x^2+2*x*3+3^2)-3^2)+(y^2-2*y*1+1^2)-1+4=0}}}
{{{3(x+3)^2-27+(y-1)^2-1+4=0}}}
{{{3(x+3)^2+(y-1)^2=24}}} divide by 24
{{{(x+3)^2/8+(y-1)^2/24=1}}}
The equation of ellipse