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Factor the Trinomial, If Possible $x ^ { 2 } - x - 45$

Question 624

Multiple Choice

Factor the trinomial, if possible.
- $x ^ { 2 } - x - 45$

A) prime
B) $( x - 45 ) ( x + 1 )$
C) $( x - 5 ) ( x + 9 )$
D) $( x + 5 ) ( x - 9 )$

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