Respuesta :

[tex] \boxed {\frac{ y^2+7y+12}{y^2-3y-18}} [/tex]

[tex] \boxed {= \frac{ (y+4)(y+3)}{(y+3)(y-6)}} [/tex]

[tex] \boxed {= \frac{ y+4}{y-6} \ (Answer \ C) }[/tex]