SOLUTION: 7m+mn+35+5n How do I factor by grouping for this equation?

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Question 1012798: 7m+mn+35+5n
How do I factor by grouping for this equation?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
7m + mn + 35 + 5n
Factor out m from the 1st two terms. Factor out 5 from the last two terms
m(7+n) + 5(7+n)
Now we can factor out (7+n), then we have:
(7+n)(m+5)