Ajutor,e urgent!!!!
Dau 100puncte
Cu DVA

[tex]\it x^2-9=x^2-3^2=(x-3)(x+3)[/tex]
[tex]\it Condi\c{\it t}ii \ de\ existen\c{\it t}\breve a: x+3\ne0 \Rightarrow x\ne-3;\ \ x-3\ne0 \Rightarrow x\ne3\\ \\ \\ Domeniul\ \ de\ existen\c{\it t}\breve a\ este\ D=\mathbb{R} \setminus\{-3,\ \ 3\} \\ \\ \\ \dfrac{x-3}{x^2-9}+\dfrac{^{x+3)}x}{\ \ \ x-3}=\ ^{x^2-9)}1 \Rightarrow x-3+\not x^2+3x=\not x^2-9 \Rightarrow 4x=-9+3 \Rightarrow \\ \\ \\ \Rightarrow 4x=-6|_{:2} \Rightarrow 2x=-3|_{:2} \Rightarrow x=-1,5[/tex]