Question 975981
{{{4x^2-36x+4y^2+28y-14=0}}}
{{{4(x^2-9x)+4(y^2+7y)=14}}}
{{{4(x^2-9x+(9/2)^2)+4(y^2+7y+(7/2)^2)=14+4(9/2)^2+4(7/2)^2}}}
{{{4(x-9/2)+4(x+7/2)=14+324+196}}}
{{{4(x-9/2)^2+4(x+7/2)^2=534}}}
{{{(x-9/2)^2+(y+7/2)^2=267/2}}}
Center : ({{{9/2}}},{{{-7/2}}})
Radius : {{{sqrt(267/2)}}}