SOLUTION: what is greatest common factor a(a+1)-3(a+1)

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Question 246497: what is greatest common factor a(a+1)-3(a+1)
Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
a(a+1)-3(a+1)
a^2+a-3a-1
a^2-2a-1=(a-2)a-1
(a+1) is the gcf in the original

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