5,11,23,47,95 which recursive function define the nth term in the sequence for n>1

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

This is about circle theorems. someone asap : (

Interpret the following expression (5y^2-7)^3/(2y)^2