Suku banyak (x⁴ - 3x³ - 5x² + x - 6) dibagi oleh (x² - x - 2), sisanya sama dengan
P(x) = H(x) (x² - x - 2) + sisa
P(x) = H(x) (x - 2)(x + 1) + Ax + B
P(2) = 2A + B
2⁴ - 3(2)³ - 5(2)² + 2 - 6 = 2A + B
➞ 2A + B = -32 ......................................(1)
P(-1) = -A + B
(-1)⁴ - 3(-1)³ - 5(-1)² - 1 - 6 = -A + B
➞ -A + B = -8 ..........................................(2)
2A + B = -32
-A + B = -8 _
3A = -24
A = -8
2A + B = -32
-16 + B = -32
B = -16
Jadi, sisa = -8x - 6