= ((s^2-3s)/(s^2-s-6))/((s-6)/(s+2)) =s2−3ss2−s−6s−6s+2
= ((s^2-3s)(s+2))/((s^2-s-6)(s-6)) =(s2−3s)(s+2)(s2−s−6)(s−6)
= ((s^2-3s)(s+2))/((s-3)(s+2)(s-6))=(s2−3s)(s+2)(s−3)(s+2)(s−6)
= ((s^2-3s)cancel((s+2)))/((s-3)cancel((s+2))(s-6))
= ((s^2-3s))/((s-3)(s-6))
= ((s^2-3s))/((s^2-9s+18))