Free points can u go to savageserbs on youtbe and like and watch the new video you dont have to sub

Answer these questions showing your work plz

Don't know how to find x given these segment lengths

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! ❤