
Carol H. answered 11/13/17
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Experienced Mathematics Tutor w/ Master's Degree in Math
3x4 + 4x3 + 2x2 - 4x = 0
x(3x3 + 4x2 + 2x - 4) = 0
p: ±1, ±2, ±4
q: ±1, ±3
p/q: ±1, ±2, ±4, ±1/3, ±2/3, ±4/3
2/3] 3 4 2 -4
2 4 4
3 6 6 0
3x2 + 6x + 6 = 0
x2 + 2x + 2 = 0
(x+1)(x+1) = 0X = 0, x = -1, x = 2/3