Add.-2mn + 10mn2 - 3m2n2 and 
A. 3mn + 10mn2 + 4m2n + 8m2n2
B. 15m2n2
C. 8m2n2 + 4m2n + 10mn2 - 7mn
D. -7mn + 14m2n + 8m2n2
Answer: C
Mathematics
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