Contact us
Choose a category below so we can get back to you as quickly as possible.
x²+y²+4x-8y+20=0 x²+4x+4+y²-8y+16=0 (x+2)²+(y-4)²=0 x+2=0, y-4=0 x=-2, y=4
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.