6x^2 - 4x - 3x^2 - 4 = 0
3x^2 - 4x - 4 = 0
a = 3, b = -4, c = -4
D= b^2 - 4ac = 16 + 48 = 64
= 8
x1 = (4 - 8)/6 = -4/6 = -2/3
x2 = (4 + 8)/6 = 12/6 = 2
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6x^2 - 4x - 3x^2 - 4 = 0
3x^2 - 4x - 4 = 0
a = 3, b = -4, c = -4
D= b^2 - 4ac = 16 + 48 = 64
x1 = (4 - 8)/6 = -4/6 = -2/3
x2 = (4 + 8)/6 = 12/6 = 2