Factor completely. If the polynomial is prime, state so.ab4 - 9a3b2
A. ab2(b + 3a)(b - 3a)
B. ab4 - 9a3b2
C. ab2(b - 3a)2
D. a(b2 + 3ab)(b2 - 3ab)
Answer: A
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x
A. 
B. 
C. 
D. 
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