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Factor Out the Greatest Common Factor 7 m(9−m)+3n(9−m)7 \mathrm {~m} ( 9 - \mathrm { m } ) + 3 \mathrm { n } ( 9 - \mathrm { m } )

Question 376

Multiple Choice

Factor out the greatest common factor. Simplify the factors, if possible.
- 7 m(9−m) +3n(9−m) 7 \mathrm {~m} ( 9 - \mathrm { m } ) + 3 \mathrm { n } ( 9 - \mathrm { m } )


A) 7( m+n) (9−m) 7 ( \mathrm {~m} + \mathrm { n } ) ( 9 - \mathrm { m } )
B) (7m+3n) (9−m) ( 7 m + 3 n ) ( 9 - m )
C) m(7+3n) (9−m) m ( 7 + 3 n ) ( 9 - m )
D) (7m−3n) (9−m) ( 7 m - 3 n ) ( 9 - m )

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