Respuesta :

[tex]\bf \cfrac{1}{3(x+3)}-\cfrac{2}{x+3}\impliedby \textit{so our LCD will then be }3(x+3) \\\\\\ \cfrac{(1)1~~~~-~~~~(3)2}{3(x+3)}\implies \cfrac{1-6}{3(x+3)}\implies \cfrac{-5}{3(x+3)}[/tex]