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Verified answer
Kelas 10 MatematikaBab Persamaan Kuadrat
2x² - 3x - 20 = 0
(2x + 5) (x - 4) = 0
2x + 5 = 0
2x = -5
x = -5/2
x - 4 = 0
x = 4
HP = { -5/2, 4 }