February 2019 1 17 Report
Tentukan akar-akar persamaan kuadrat berikut dengan cara Melengkapi kuadrat sempurna :
a).X ² + 6x - 5 = 0
b).2x ² - X - 1 = 0
c).3x ² - 2x - 8 = 0
tlg dijawab..soal'y bsok dikumpul..jgn lupa pake cara ngerjainnya jg y.makasih






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