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(-n+7) (-4n-7)

 Feb 2, 2016
 #1
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(-n+7) (-4n-7)

 

(n+7)(4n7)=n(4n7)+7(4n7)=+4n27n+28n49=4n27n28n49=4n235n49

 Feb 2, 2016
 #2
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yer mum

 Feb 2, 2016

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