Do Now: An object was launched from a given height. The equation for the object's height over time is given as: h=-16t2 + 19.61 +58.8. What was the object's initial height?

If m 17 27 90 63 ** picture is attached

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! ❤

Ineed with math stuff it involves graphs