2x^2 + 7x + 6 = 0
(2x + 6)(x + 1) = 0
x = -6/2 = 3 atau x = -1
3x^2 - 14x - 5 = 0
(3x + 1)(x - 5) = 0
x = -1/3 atau x = 5
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2x^2 + 7x + 6 = 0
(2x + 6)(x + 1) = 0
x = -6/2 = 3 atau x = -1
3x^2 - 14x - 5 = 0
(3x + 1)(x - 5) = 0
x = -1/3 atau x = 5