Perform the indicated operations.( 2x2 - 4x - 3) + ( -7x2  - 5x + 10)

A. 9x2 - 9x - 13
B. -5x2 - 9x + 7
C. 5x2 + 9x + 7
D. 9x2 - 9x + 13


Answer: B

Mathematics

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A.  = 
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A.
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C.
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