Contact us
Choose a category below so we can get back to you as quickly as possible.
x²+2x-3k=0 그래서 x1+x2=-2 x1x2=-3k (x1+1)(x2+1) =x1x2+x1+x2+1 =-3k-2+1=-4 3k=3 k=1
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.