October 2019 1 56 Report
Perhatikan pernyataan berikut :
(i) x^2+5x+6 = (x - 3)(x + 2)
(ii) 2x^2+x-21 = (2x + 7)(x - 3)
(iii) 3x^2-18x = 3x(x - 6)
(iv) x^2-16 = (x - 4)(x - 4)
Dari pernyataan diatas yang benar adalah?

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