Factor out the greatest common factor. Be sure that the coefficient of the term of highest degree is positive.32x4y + 28xy3
A. xy(32x3 + 28y2)
B. 4xy(8x3 + 7y2)
C. 4x(8x3y + 7y3)
D. 4y(8x4 + 7xy2)
Answer: B
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