Question 874114
{{{X^2 - 4Y^2 -4X +24Y -36=0 }}}
{{{X^2-4X-4Y^2+24Y-36=0}}}
{{{(X^2-4X+4)-4(Y^2-6Y+9)-36=4-36}}}
{{{(X-2)^2-4(Y-3)^2=4}}}
{{{(X-2)^2/4-(Y-3)^2=1}}}