SOLUTION: Factor the expression. 12x^3 + 6x^2 - 3

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Question 952492: Factor the expression.

12x^3 + 6x^2 - 3
Found 2 solutions by stanbon, MathLover1:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Factor the expression.
12x^3 + 6x^2 - 3
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= 3(x^3 + 2x^2 - 1)
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graph%28400%2C400%2C-10%2C10%2C-10%2C10%2Cx%5E3%2B2x%5E2-1%29
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Cheers,
Stan H.
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Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

12x%5E3+%2B+6x%5E2-3
3%284x%5E3+%2B+2x%5E2-1%29........write 2x%5E2 as 4x%5E2-2x%5E2, add 2x and -2x
3%284x%5E3%2B4x%5E2%2B2x-2x%5E2-2x-1%29 group
3%28%284x%5E3+-2x%5E2%29%2B%284x%5E2-2x%29%2B%282x-1%29%29
3%282x%5E2%282x+-1%29%2B2x%282x-1%29%2B%282x-1%29%29
3%282x-1%29%282x%5E2%2B2x%2B1%29