Factor the difference of squares.4pm4 - 4pn4
A. 4p(m2 + n2)(m + n)(m - n)
B. p(2m2 + n2)(2m + n)(2m - n)
C. 4p(m2 - n2)2
D. 4(m2p + n2)(mp + n)(mp - n)
Answer: A
Mathematics
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A. - 
B. - 4
C. 
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