I need to find the remainder of
Long division
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.................................................. .................8
Synthetic Division
1 [ 1 0 0 0 0 -6 3]
........1 1 1 1 1 5
........1 1 1 1 5 8
It seems that the remainder is
, however I know the answer is
. Where am I going wrong here? Why does P(1) give the remainder?