Question 760507
{{{y^2 + 12x + 2y = -25}}}


{{{y^2+2y+12x=-25}}}
Identify the "missing" square... {{{(2/2)^2=1}}}
{{{(y^2+2y   )+12x=-25}}}
{{{(y^2+2y+1)+12x=-25+1}}}
{{{(y+1)^2+12x=-24}}}
{{{12x=-(y+1)^2-24}}}
{{{highlight(x=-(1/12)(y+1)^2-24)}}}