Perform the indicated operations.( 8x4 + 8x2 - 6x ) - ( -9x3 + 5x2 - 6x - 8)

A. 14x7 + 13x3 
B. 8x4 + 9x3 + 3x2 + 8
C. 8x4 - 9x3 + 13x2 - 8
D. 9x4 + 10x3 + 13x2 + 8


Answer: B

Mathematics

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