Factor the trinomial completely.x2 + 2xy - 8y2
A. (x - 4y)(x + y)
B. (x - y)(x + 2y)
C. (x + 4y)(x - 2y)
D. (x - 4y)(x + 2y)
Answer: C
Mathematics
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sin (x + ?)
A. 
B. 
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D. 
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