Subtract the polynomials. Assume all variable exponents represent whole numbers.Subtract 5a2b4 + 8ab2 - ab from -9a2b4 + 4ab2 + 7ab.
A. 14a2b4 + 4ab2 - 8ab
B. -14a2b4 - 4ab2 + 8ab
C. -4a2b4 + 12ab2 + 6ab
D. -14a2b4 + 4ab2 + 6ab
Answer: B
Mathematics
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A. 
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