SOLUTION: please help me, I need to factor this problem completely abc+c-3ab-3

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Question 23869: please help me,
I need to factor this problem completely
abc+c-3ab-3
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Try factoring by grouping:
abc%2Bc-3ab-3+=+%28abc%2Bc%29-%283ab%2B3%29 Factor c from the 1st group and 3 from the 2nd group.
c%28ab%2B1%29+-+3%28ab%2B1%29 Now factor out (ab+1)
%28ab%2B1%29%28c-3%29