Tentukan himpunan penyelesaian persamaan kuadrat di bawah ini
9x^2 - 12x + 4 = 0
BESERTA CARA !
9x^2 - 12x + 4 = 0
BESERTA CARA !
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x1 & x2 = 3x-2 = 2/3
(9x^2 - 6x) - (6x - 4 )= 0
3x(3x - 2) - 2 (3x - 2 ) = 0
(3x - 2) (3x - 2) = 0
smg membntu, maaf kalo salah