Perform the indicated operations.( 5x2 + 12xy - 10) + ( 6x2 - 2x + 2) + ( -x2 - y - 2)
A. 11x2 + 3xy - 7
B. 10x2 + 12xy - 2x - y - 10
C. 12x2 + 12xy - 3x - 3y - 11
D. 10x2 + 9xy - 10
Answer: B
Mathematics
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