Respuesta :

[tex]\bf \cfrac{5x+50}{x+5}\cdot \cfrac{1}{x+10}\implies \cfrac{5\underline{(x+10)}}{x+5}\cdot \cfrac{1}{\underline{x+10}}\implies \cfrac{5}{x+5}\cdot \cfrac{1}{1} \\\\\\ \cfrac{5\cdot 1}{(x+5)1}\implies \cfrac{5}{x+5}[/tex]