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Factor the Trinomial Completely m2−4m−21m ^ { 2 } - 4 m - 21

Question 120

Multiple Choice

Factor the trinomial completely. m2−4m−21m ^ { 2 } - 4 m - 21


A) (m−7) (m−3) ( m - 7 ) ( m - 3 )
B) (m+7) (m−3) ( m + 7 ) ( m - 3 )
C) (m−7) (m+3) ( m - 7 ) ( m + 3 )
D) (m+7) (m+3) ( m + 7 ) ( m + 3 )
E) not factorable

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