(40a^3+4a^2+33a+27)/(5a+3). Algebraic division:
.............8a^2 -4a + 9
.........__________________________
5a+3 | 40a^3+ 4a^2+33a+27
...........40a^3+24a^2
..........._______________
......................-20a^2+33a
......................-20a^2 -12a
......................_____________
...................................45a+27
...................................45a+27
So the quotient is 8a^2-4a+9.