Do you know polynomial long division?
Polynomial Long Division
It would be my approach.
Solve these by Dividing
1 . http://media-dal.owotw.com/o_alg02_2010/4/q20227.gif
2 . (a^2n - a^n - 6) (a^n + 8)
3 . x^3 + y^3) (x - y)
4 .(x^2 - 4) (x - 1)
5 . (x^5 + y^5) (x + y)
6 . (2a^2 +a + 3) (a - 1)
Do you know polynomial long division?
Polynomial Long Division
It would be my approach.