Factor out the greatest common factor.72x6y9 + 48x2y5 + 56x4y2
A. 8x2(9x4y9 + 6y5 + 7x2y2)
B. 8x2y2(9x4y7 + 6y3 + 7x2)
C. 8(9x6y9 + 6x2y5 + 7x4y2)
D. x2y2(72x4y7 + 48y3 + 56x2)
Answer: B
Mathematics
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A. -5, 
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C. - 
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