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anonymous

  • one year ago

PLEASE HELP!!! What is the factored form of 2x^2 − 7x + 6?

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  1. anonymous
    • one year ago
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    That?

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  2. anonymous
    • one year ago
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    Alright so the way I was taught to do factors like this was first multiply the first term by the last term so 2*6=12

  3. anonymous
    • one year ago
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    Now we have to find something that multiplys to equal twelve and adds to equal -7

  4. anonymous
    • one year ago
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    Two methods

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  5. anonymous
    • one year ago
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    The cross method is easier

  6. anonymous
    • one year ago
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    um, -4 and -3? @recon14193

  7. anonymous
    • one year ago
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    yes so what we can do is split up the center term now. It's not correct by normal math standards but when we're done you will have it factored

  8. anonymous
    • one year ago
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    See?

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  9. anonymous
    • one year ago
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    so we have \[2x^{2}-3x-4x+6\]

  10. anonymous
    • one year ago
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    then we group them and factor from each

  11. anonymous
    • one year ago
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    So it becomes (2x-3)(x-2)

  12. anonymous
    • one year ago
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    so is (2x-3)(x-2) the final answer?

  13. anonymous
    • one year ago
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    Correct

  14. anonymous
    • one year ago
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    If you see the attachments

  15. anonymous
    • one year ago
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    You will be able to see the cross method applied

  16. anonymous
    • one year ago
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    okay, then why are my answer choices: a. 2 b. y − 8 c. x − 4 d. x + 6

  17. anonymous
    • one year ago
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    Huh... That's weird

  18. anonymous
    • one year ago
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    Can you send a pic?

  19. anonymous
    • one year ago
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  20. anonymous
    • one year ago
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    That's very odd because non of those answers are factored

  21. anonymous
    • one year ago
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    so what would be the right answer out of those?

  22. anonymous
    • one year ago
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    I'm so confused...

  23. anonymous
    • one year ago
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    Well non of them are correct

  24. anonymous
    • one year ago
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    Is there a way to contact your teacher about that?

  25. anonymous
    • one year ago
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    unfortunately not

  26. anonymous
    • one year ago
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    If not... Just pick one because the expression you have me can be put into a quadratic equation and when that is true you can never have just a variable and a number

  27. anonymous
    • one year ago
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    oh okay. well thanks for your help anyway :)

  28. anonymous
    • one year ago
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    Sure thing... Non of the choices are correct so you shouldn't get penalized for it... I mean factored means to have two separate items to multiply with

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