February 2019 1 37 Report
Tentukan jenis akar persamaan dan penyelesaian dari :
a. 4x² - 20x + 25 = 0
b. 3x² - 7x - 6 = 0
c. 5x² + 3x + 4 = 0
Dijawab dengan pake cara. Lagi butuh buat sekarang.
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