1.

What is the sum of 3 3 + 7 2 7 and 5 2+8x-9?

A. 3x3 + 12x2 + 8x - 16
B. 8x3 + 7x2 - 16
C. 3x3 + 5x2 + 8x - 2
D. None
Answer» B. 8x3 + 7x2 - 16


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