SOLUTION: How would I factor trinomial 12x^3+48x^2+21x?

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Question 943575: How would I factor trinomial 12x^3+48x^2+21x?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How would I factor trinomial 12x^3+48x^2+21x?
Factor out the obvious 3x, then trial and error.