October 2018 2 39 Report
Akar-akar persaman kuadrat 2x^2 + 5x + 12 = 0 adalah a dan B. Persamaan kuadrat yang akar-akarnya
2a + 4 dan 2b + 4 adalah...
A. 2x^2 + 5x + 20 = 0
B. 2x^2 - 5x + 10 = 0
C. 2x^2 - 4x + 10 = 0
D. x^2 - 3x + 20 = 0
E. x^2 + 3x + 10 = 0
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