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MiaKitty

  • 2 years ago

[8.02] Determine whether the following polynomials can be factored by grouping. If so, factor the polynomials showing all work. If not, explain why this method will not work. a.4x2 + 12xy + 2x + 2y b.3m2 + 6mn + 7m + 14n

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  1. MiaKitty
    • 2 years ago
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    The first one is factored by grouping, I am confused on the 2nd. :D

  2. MiaKitty
    • 2 years ago
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    I think...HELP!!!

  3. dpgreen
    • 2 years ago
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    yes it can take out the 3m from the first part and 7 from the second

  4. MiaKitty
    • 2 years ago
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    Ok, thx. :)

  5. dpgreen
    • 2 years ago
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    you get 3m(m+2n)+7(m+2n)

  6. dpgreen
    • 2 years ago
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    then you can simplify it as (3m+7)(m+2n)

  7. dpgreen
    • 2 years ago
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    good enough?

  8. MiaKitty
    • 2 years ago
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    Hmm...yes, can you show me the first one to make sure?

  9. MiaKitty
    • 2 years ago
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    a.4x2 + 12xy + 2x + 2y

  10. dpgreen
    • 2 years ago
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    yeah....im not so sure about the first one...i dont think you can do it by group factoring because it can't be factored unless done by completing the square or using the quadratic formula

  11. dpgreen
    • 2 years ago
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    wait...you did learn about breaking it up into 3 and 1 or 2 and 2 right?

  12. MiaKitty
    • 2 years ago
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    Yes, I really don't understand this!!! I hate math and science. :(

  13. dpgreen
    • 2 years ago
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    lol, I'm not a big fan either, but im pretty sure you cant do the first one, let me look it up

  14. dpgreen
    • 2 years ago
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    yeah..you can't

  15. MiaKitty
    • 2 years ago
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    Oh, wow, lol! Then what do I say?

  16. dpgreen
    • 2 years ago
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    they will all have to become a diff of squares to be solvable for the first one

  17. dpgreen
    • 2 years ago
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    A. cannot be factored by grouping B. can

  18. MiaKitty
    • 2 years ago
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    Oh, lol! Thx!! :D totally think this stuff is hard!!

  19. MiaKitty
    • 2 years ago
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    Now I need the other one aboutr Jose. :)

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