Răspunsuri

2014-04-16T18:58:33+03:00
X la puterea 2+4-x la puterea 2 -4<14x-7  si se simplifica alea  si ramane 14x-7  cred
Cel mai inteligent răspuns!
2014-04-16T18:59:38+03:00
X²+4x+4-(x²-5x+2x-10)<14x-7
x²+4x+4-x²+3x+10<14x-7
7x+14<14x-7
7x-14x<-7-14
-7x<-21
7x<21
x<3
1 5 1