Find the product.(2x3- x2 + 3x - 1)(2x + 3)
A. 4x4 + 4x3 + 3x2 + 7x - 3
B. 3x4 + 8x3 + 6x2 + 9x - 5
C. 5x4 - 4x3 + 2x2 - 7x + 3
D. 4x3 + 4x2 + 3x + 7
Answer: A
Mathematics
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A. r = 
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