x³ + 2x² - 5x - 6 oleh x - 2

x -2 = 0 ==> x = 2

2. | 1. 2. -5. -6
| 2. 4. -2
----------------------- +
1. 4. -1. -8
(x^3 + 2x^2 - 5x - 6) : (x - 2)
= x^2 + 4x - 1+ sisa -8