SOLUTION: Factor completely. 12x^3 – 3xy^2 I got 3x(4x – y)(x + y) Is this correct

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Question 55080: Factor completely. 12x^3 – 3xy^2 I got 3x(4x – y)(x + y) Is this correct
Answer by rchill(405) About Me  (Show Source):
You can put this solution on YOUR website!
Not quite, but close. If you first factor out 3x, you're left with 4x%5E2-y%5E2. Because both terms are perfect squares, that factors into (2x+y) and (2x-y). So the factorization is 3x%282x%2By%29%282x-y%29.