Factor. Check by multiplying.21x + 6y - 15
A. 27(x + y) - 15
B. 3(7x + 6y - 5)
C. 3(7x + 2y - 5)
D. 3(7x + 6y - 15)
Answer: C
Mathematics
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A. P* = 
Q* = 
value = 
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.
A. up 
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