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__________:2
x² + x - 2
(x + 2)(x - 1)
x1 = -2
x2 = 1
nilai x2/1 + x2/2
= 1/1 + 1/2
= 2/2 + 1/2 = 3/2
= 1 1/2
atau kalau mau diubah jadi desimal adalah 1,5