Consider the long division problem below. what error did sam make when he computed the answer?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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! ❤

Standard deviation of 19,29,21,22,23