Factor the expression.15(m - 5)2 - 13(m - 5) - 20

A. (3m + 5)(5m + 4)
B. (3m + 19)(5m + 30)
C. (3m + 10)(5m + 9)
D. (3m - 20)(5m - 21)


Answer: D

Mathematics

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A. 2, 10
B. 4 ± 
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A.  + i
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