SOLUTION: i need to factor by grouping. 7m + -2ms + -21n + 6ns

SOLUTION: i need to factor by grouping. 7m + -2ms + -21n + 6ns

Algebra.Com

Question 737463: i need to factor by grouping.
7m + -2ms + -21n + 6ns
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
(-2ms+6ns)+(7m-21n)
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