Factor the trinomial containing two variables.x2 - 2xy - 15y2
A. (x - 5y)(x + 3y)
B. (x + 5y)(x - 3y)
C. (x - y)(x + 3y)
D. (x - 5y)(x + y)
Answer: A
Mathematics
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? 
A. 5m
B. 
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