jika f(x) habis dibagi x-2 dan jika dibagi 2x +1 sisanya 5 tentukan sisa f(x) dibagi 2x-3x-2

f(2) = 0
f(-1/2) = 5

Sisa => ax + b
*Eliminasi

2a + b = 0
-1/2a + b = 5
------------------ (-)
5/2a=5
a=5/10=1/2

*Subtitusi

2a + b = 0
2(1/2) + b = 0
1 + b = 0
b = -1

Sisanya 1/2x - 1