You can put this solution on YOUR website! -2x^2+y^2+8x+6y-3=0
-2x^2+8x+y^2+6y-3=0
complete the square:
-2(x^2-4x+4)+(y^2+6y+9)=3-8+9
-2(x-2)^2+(y+3)^2=4
-2(x-2)^2+(y+3)^2=4
-(x-2)^2/2+(y+3)^2/4=1
This is an equation of a hyperbola with vertical transverse axis with center at (2,-3)
Its standard form: , (h,k)=(x,y) coordinates of center