Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.5x3 + 5x2 - 60x

A. 5x(x - 3)(x + 4)
B. (x - 3)(5x2 + 20)
C. (5x2 + 15x)(x - 4)
D. 5x(x + 3)(x - 4)


Answer: A

Mathematics

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