Contact us
Choose a category below so we can get back to you as quickly as possible.
(x+my)(x+ny)=x2+2xy-8y22,0x2+nxy+mny2=x2+(m+n)xy+mny2=x2+2xy-8y2,0=m+n=0,mn=-8,0=m2n+mn2=mn(m+n)=-8×2=-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.