SOLUTION: I need to write this problem in expression form by factoring it. 10am-14na-15bm+21bn-5mc+7cn

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Question 506660: I need to write this problem in expression form by factoring it.
10am-14na-15bm+21bn-5mc+7cn
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
10am-14na-15bm+21bn-5mc+7cn
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2a(5m-7n) -3b(5m-7n) -c(5m-7n)
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= (5m-7n)(2a-3b-c)
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Cheers,
Stan H.
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