Factor the trinomial completely. If the polynomial cannot be factored, write "prime."3x2 + 6x - 45

A. (3x + 9)(x - 5)
B. 3(x - 3)(x + 5)
C. 3(x + 3)(x - 5)
D. (x - 3)(3x + 15)


Answer: B

Mathematics

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