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anonymous

  • one year ago

Which is a factor of 3x2y2 + 6x2 + 12y2 + 24? 6 x2 + 2 y2 + 6 x2 + 4

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  1. welshfella
    • one year ago
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    6 is not a factor because it will not divide into 3x^2y^2

  2. anonymous
    • one year ago
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    ok

  3. welshfella
    • one year ago
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    you could use long division to find out which of the other 3 is a factor.

  4. anonymous
    • one year ago
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    how do u do that?

  5. welshfella
    • one year ago
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    or possibly try to factor it by grouping that would be easier..

  6. anonymous
    • one year ago
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    remind me of how to o it by grouping, i forgot

  7. welshfella
    • one year ago
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    3x2y2 + 6x2 + 12y2 + 24 factor the first 2 and last 2 terms 3x^2(y^2 + 2) + 12(y^2 + 2) =(3x^2 + 12)(y^2 + 2)

  8. anonymous
    • one year ago
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    oh thank you u remined me

  9. welshfella
    • one year ago
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    - that shows that y^2 + 2 is a factor but its not one of the options

  10. welshfella
    • one year ago
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    - hold on - factor 3x^2 + 12 and see what you get

  11. anonymous
    • one year ago
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    3(x2 + 4)

  12. welshfella
    • one year ago
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    there you go

  13. anonymous
    • one year ago
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    thanks man

  14. welshfella
    • one year ago
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    yw

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