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2x² + x - 6 = 0
(2x - 3) (x + 2) = 0
--->
2x - 3 = 0
2x = 3
x = 3/2
--->
x + 2 = 0
x = -2
Jadi, Himpunan Penyelesaiannya dari -2x² - x + 6 = 0 adalah {3/2, -2}
2x² + x - 6 = 0
(x+2) (2x-3)
x+2 = 0
x = -2
2x-3 = 0
x = 3/2
Hp: (-2, 3/2)