Răspunsuri

2014-05-16T14:40:30+03:00
x²+x+3=2+x
x^2+x-x=2-3
x^2=-1

Nu are solutie. Intotdeauna radicalul va da un nr pozitiv!
2014-05-16T14:41:32+03:00
X²+x+3=2+xx² +x+3-2-x=0
x²+1=0
x²= -1
x nu are solutii reale.