Perform the indicated operations.(4x4 + 7x3 - 7x2 + 4) + (9x4 + 2x3 + 3x2 - 1)
A. 6x4 + 6x3 + 3x2 + 16
B. 13x4 + 9x3 - 4x2 + 3
C. 13x8 + 9x6 - 4x4 + 3
D. 18x18 + 3
Answer: B
Mathematics
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Completely factor the expression.
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