Factor completely using the trial and error method to factor trinomials. If unfactorable, indicate that the polynomial is prime.9x2 - 39x - 30
A. prime
B. (9x + 6)(x - 5)
C. 3(3x + 2)(x - 5)
D. 3(3x - 2)(x + 5)
Answer: C
Mathematics
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