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2.
3. x nya 3
(bilangan bulat sudah sama (3) maka yang di kerjakan hanya pangkat rasionalnya)
+ 2x = - 3
0 = - 2x - 3
0 = 2x - 3 ------> kemudian faktorkan
0 = (x - 3)(x + 1)
x1 = 3 x2 = -1