Question

Simplificati raportul algebric pina la un raport ireductibil:

$\frac{3x+9}{ x^{2} +6x+9}$

Answer 1

3x+9/x^2+6x+9 => 3(x+3) / (x+3)^2 => 3 / x+3 . 

Answer 2

 $\frac{3x+9}{x^2+6x+9}=\frac{3(x\not+3)}{(x+3)^{\not2}}=\frac{3}{x+3}\;\,\surd\surd$