Factor out the GCF.144x9y9 - 128x7y6 - 32x2y4
A. 16x2y4(9x7y5 - 8x5y2 - 2)
B. no common factor
C. 16x2(9x7y9 - 8x5y6 - 2y4)
D. 16(9x9y9 - 8x7y6 - 2x2y4)
Answer: A
Mathematics
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