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g(-2) = 10
h(2) = 2
h(-2)= -2
R(x)= g(x). h(x)
R(2) = g(2).h(2) = 6(2) = 12
R(-2) = g(-2) .h(-2) = 10(2) = 20
dibagi x^2 - 4 = (x-2)(x+2)
sisa S(x) = ax + b
S(x) = R(x)
S(2) = R(2) --> 2a + b = 12
S(-2) = R(-2) --> -2a + b = 20
jumlahkan
2b = 32 --> b = 16
2a = 12 - b
2a = 12 -16 = - 4
a = - 2
S(x) = ax +b --> S(x)= -2x + 16