Respuesta :

caylus
Hello,

[tex] \frac{5 x^{3} }{7 x^{3} + x^{4} } = \frac{5 x^{3} }{x^{3}(7+x) }=\frac{5} {7+x} [/tex]

Answer Almost A with parenthesis 

5/(7+x)