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(x + 1) didapat dari faktor (x + 1)(x - 3) yang bersisa (2x - 3)
f(-1) = 2(-1) - 3 = - 5
(x - 2) didapat dari faktor x(x - 2) yang bersisa 5
f(2) = 5
Misal sisanya ax + b
eliminasi:
- a + b = - 5
2a + b = 5
__________ -
- 3a = - 10
a = 10/3
b = - 5/3
sisa: (10/3)x - 5/3