(x * (x2 + 6 * x + 3) -10) / (x+2)
= x3 + 6 * x2 + 3 * x - 10 / (x+2)
Nun Polynomdivison
x3 + 6 * x2 - 3 * x - 10 / (x+2) = x2 + 4*x -5
-x3 + 2 * x2
-----------------------
0 + 4 * x2 - 3 * x
- 4 * x2 + 8 * x
------------------------------------------
0 -(5 * x - 10)
- (-5 * x - 10)
-------------------------------------------
0
Da brauchst du kein Binom.