Răspunsuri

2014-01-23T17:44:28+02:00
 \frac{(x+2)(x+5)}{(x+4)(x+2)}
x la a doua+5x+2x+10=x(x+2)+5(x+2)=(x+2)(x+5)
si a doua parte
aici adaugi un unu si apoi il scazi
Sau calculezi cu delta...
x la a doua+6x+8+1-1=x+6x+9-1=(x+3)la a doua -1
2014-01-23T17:56:57+02:00