Answer:
16 is the remainder of the division.
Explanation:
The given equation is
and we have to divide this expression by x = (-5)
We can find the remainder by synthetic division
-5 | 1 3 -8 5 (-9)
-5 10 -10 25
---------------------------------------
1 -2 2 -5 16
We can rewrite the expression as

Therefore, remainder of the division is 16.