Contact us
Choose a category below so we can get back to you as quickly as possible.
4x^2+4y^=4(x^2+y^2) =4((x-y)^+2xy) =4*(8^2+2*(-30)) =16
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.