(9×4+kx²-3x+5) dibagi dengan (3x-2) sisanya 23, maka nilai k
3x – 2 = 0
3x = 2
x = 2/3
Teorema Sisa
P(x) = S(x)
P(2/3) = S(2/3)
9x⁴ + kx² – 3x + 5 = 23
9(2/3)⁴ + k(2/3)² – 3(2/3) + 5 = 23
9(16/81) + 4k/9 – 2 + 5 = 23
16/9 + 4k/9 + 3 = 23
(16 + 4k)/9 = 20
16 + 4k = 180
4k = 180 – 16
4k = 164
k = 164/4
k = 41