I assume that this is ...... x ^4 + 7 by x - 3
x^3 + 3x^2 + 9x + 27
x - 3 [ x^4 + 0x^3 + 0x^2 + 0x + 7 ].
x^3 - 3x^3
________________________________
3x^3 + 0x^2
3x^2 - 9x^2
______________
9x^2 + 0x
9x^2 - 27x
____________
27x + 7
27x - 81
_________
88
So....the result is : x^3 + 3x^2 + 9x + 27 + 88 / [x - 3]