HELP PLEASE I DONT UNDERSTAND THIS

Find the midpoint of the segment with the given endpoint k(-4,4) and l(6,12)

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

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! ❤