Question

simplificand raportul x^2+6x+9/x^2-9 prin x+3 se obtine...

Answer 1

Salut,

$\dfrac{x^2+6x+9}{x^2-9}=\dfrac{(x+3)^2}{(x+3)(x-3)}=\dfrac{x+3}{x-3}.$

Green eyes.

Answer 2

(x+3)(x+3) / (x+3)(x-3) =  simplificat cu x+3 =

(x+3) / (x-3)