Răspunsuri

2014-09-01T13:31:22+03:00
Cel mai inteligent răspuns!
2014-09-01T13:32:16+03:00
xy+2x-5y-10
xy-5y+2x-10=y(x-5)+2(x-5)
=(x+2)(x-5)
1 5 1