0
3x2 + 10x - 8 = 0
3x2 + 12x - 2x - 8 = 0
3x(x + 4) - 2(x + 4) = 0
(3x - 2)(x + 4) = 0
So 3x - 2 = 0 or x + 4 = 0
so x = 2/3 or x = -4
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