Răspunsuri

2014-04-12T16:37:02+03:00
X+2/x-2=x+5/x-1
(x+2)(x-1)=(x+5)(x-2)
x²-x+2x-2=x²-2x+5x-10 se simplifica x²
x-2=3x-10
x-3x=-10+2
-2x=-8
2x=8
x=4