Multiply vertically.(3x2 + 3x - 2)(x2 - 4x - 2)
A. 3x4 - 9x3 - 18x2 + 2x + 4
B. 3x4 - 9x3 - 20x2 + 2x + 4
C. 3x4 - 12x3 - 18x2 + 2x + 4
D. 3x4 - 12x3 - 20x2 + 2x + 4
Answer: B
Mathematics
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