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(3x+2) (x-2)
x1 = -2 /3 x2 =2
= 3x² - 6x + 2x - 4 ====> bentuknya aja di ubah dikit
= 3x(x - 2) + 2(x - 2)
= (3x + 2)(x - 2) ===> hasil pemfaktooran
Maka ada 2 faktor
= 3x + 2
= x - 2