Perform the indicated operations and simplify.
(v-8)/(v-9)-(v+1)/(v+9)+(v-27)/(v^2-81)





Add.
(3s^4-3s^3+5s^2+17s-10)+(s^5+7s^3+6s^2-5s+5)+(-6s^4+s^2-7s-3)



Thank