Multiply.(5x + 4)(4x3 - 4x2 + 5x - 2)
A. 20x4 - 4x3 + 45x2 + 10x - 8
B. 20x4 - 4x3 + 9x2 + 10x - 8
C. 20x4 - 4x3 + 9x2 - 10x - 8
D. 20x4 - 36x3 + 9x2 + 10x - 8
Answer: B
Mathematics
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< 0
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A. 
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÷ 
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B. 
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