c^3 2c^2 -4c 0
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9c | 9c^4 18c^3 -36c^2 0c -81
|
| 9c^4
-------
0 18c^3
18c^3
--------
0 -36c^2
-36c^2
--------
0 0c
0c
-----
0 -81 remainder
FACTOR out GCF, 9c in numerator and denominator, so: