Factor the trinomial completely.20x4 - 31x3 + 12x2
A. (20x2 + 3)(x2 + 4)
B. x2(4x - 3)(5x - 4)
C. x2(20x - 1)(x - 12)
D. x(4x + 3)(5x + 4)
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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A. -1 B. 1 C. -3 D. 3
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A. 
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C. ?
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