Răspunsuri

2014-06-01T08:48:21+03:00
(2x + 6) / (x² + 4x + 3) = 2*(x + 3) / (x² + 3x + x + 3) = 2(x+3) /[x(x+3) + (x + 3)] = 

= 2(x + 3) / (x + 3)(x+1) = se simplifica (x+3) cu (x+3) = 2 / (x + 1)   cctd

6 4 6