Please find K in this instance
Using synthetic division, we have
-1 [ 2 0 0 k 1 ]
- 2 2 - 2 - k + 2
____________________
2 -2 2 k - 2 - k + 3
1 [ 3 0 k 0 2 ]
3 3 k + 3 k + 3
_____________________
3 3 k + 3 k + 3 k + 5
Equate remainders
- k + 3 = k + 5
-2k = 2
-1 = k