we have the expression
x^4-3x^3-1,000 : (x+5)
-----------
x^3-8x^2+40x-200
-x^4-5x^3
----------------------
-8x^3-1,000
+8x^3+40x^2
40x^2-1,000
-40x^2-200x
--------------------
-200x-1,000
200x+1,000
0
therefore
the answer is
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