Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.-42x2 - 35x + 42
A. -7(3x - 2)(2x + 3)
B. (-21x + 14)(2x + 3)
C. prime
D. -7(3x + 2)(2x - 3)
Answer: A
Mathematics
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