Răspunsuri

2014-10-05T14:52:36+03:00
2xy²-8xy+8x=2x(y²-4y+4)=2x(y-2)²
ok
refac
mersi
gata
scuze intelesesem gresit si am miram ca nu iese
2014-10-05T15:29:05+03:00