Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.18x2 - 78x - 60
A. (18x + 12)(x - 5)
B. 6(3x + 2)(x - 5)
C. prime
D. 6(3x - 2)(x + 5)
Answer: B
Mathematics
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Mathematics