Question 927267
{{{(r^2-9r-52)/(r+2)}}}

we can use long division



--------r-11
------)(r^2-9r-52)
(r+2)|-r^2+2r......subtract
_______________
-----|-0 -11r -52
-----|----11r-22......subtract
_________________
-----------0-30

so,{{{(r^2-9r-52)/(r+2)=r-11-30/(r+2)}}}