SOLUTION: how do i factor this expression out completely?mn - 4m - 5n + 20
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Question 322690: how do i factor this expression out completely?mn - 4m - 5n + 20
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Factor 
out of the first two terms.
\ -\ 5n\ +\ 20)
Factor 
out of the last two terms.
\ -\ 5(n\ -\ 4))
Factor 
out of what remains.
(m\ -\ 5))
John
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