What is the Total Surface Area of the following Square Pyramid? (7.9D)

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! ❤

If u good at math hit me up on insta or sum @basic_jaiden or @ and

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52