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tana

Solve: 2x2 – 18x + 28 = 0

  • 2 years ago
  • 2 years ago

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  1. JoshDavoll
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    Do you know how to factor quadratic equations?

    • 2 years ago
  2. tana
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    No im only 12

    • 2 years ago
  3. razor99
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    this is leniar equation right

    • 2 years ago
  4. tana
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    I really dont know

    • 2 years ago
  5. JoshDavoll
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    no it's a quadratic

    • 2 years ago
  6. razor99
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    well it should be slove the eqaution to x

    • 2 years ago
  7. JoshDavoll
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    \[2x^2 -18x + 28 = 0\] right?

    • 2 years ago
  8. razor99
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    yep

    • 2 years ago
  9. razor99
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    2,7

    • 2 years ago
  10. JoshDavoll
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    @ Tana what two numbers add up to 18 and multiply to 28

    • 2 years ago
  11. JoshDavoll
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    this is called factoring, also you can solve this with the quadratic equation

    • 2 years ago
  12. tana
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    idk

    • 2 years ago
  13. razor99
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    wrong hey dont confuse him/her

    • 2 years ago
  14. razor99
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    http://www.wolframalpha.com/input/?i=2x2+%E2%80%93+18x+%2B+28+%3D+0

    • 2 years ago
  15. razor99
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    thats shows all the steps

    • 2 years ago
  16. tana
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    lol im still lost

    • 2 years ago
  17. JoshDavoll
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    exactly, instead of just giving the answer, razor should be providing steps, not just getting the answer out of wolfram

    • 2 years ago
  18. BieberLove
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    Add the like terms together that is were u should start!

    • 2 years ago
  19. JoshDavoll
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    there aren't any like terms, it's a quadratic equation

    • 2 years ago
  20. tana
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    Wow no Help

    • 2 years ago
  21. BieberLove
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    18x and 2x bro!!!!!

    • 2 years ago
  22. tana
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    Soooo You mad

    • 2 years ago
  23. BieberLove
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    lol well that dude dont kno what he is fricken talkin bout bro!!!! |dw:1333983624818:dw|

    • 2 years ago
  24. tana
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    i see

    • 2 years ago
  25. BieberLove
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    Is the 2x2 is that a 2x or 2 times 2???

    • 2 years ago
  26. tana
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    Um i dont even know thats just how they put it

    • 2 years ago
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