Hi,

I have the equation -16x^{2}-128x+12y^{2}-48y-400=0 that I need to get into standard form. It looks like it's a circle equation, but when I try to remove the coefficients in front of x and y, I find I'm unable to get them both "alone", or without coefficients. Without that, I can't get perfect squares and so I can't solve the problem. Is there some way to get rid of those coefficients so I can complete the square and solve the problem?

Thanks!