3 m 2 + 12 mn = 3 m ( m + 4 n ) A n s w er : t h e g r a t es t co mm o n f a c t or i s 3 m .
The greatest common factor of the expression 3 m 2 n + 12 m n 2 is 3 mn . This is found by identifying the GCF of the coefficients and the variable factors. The expression can also be factored as 3 mn ( m + 4 n ) .
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