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tana

  • 2 years ago

Solve: 2x2 – 18x + 28 = 0

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  1. JoshDavoll
    • 2 years ago
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    Do you know how to factor quadratic equations?

  2. tana
    • 2 years ago
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    No im only 12

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

  4. tana
    • 2 years ago
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    I really dont know

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

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

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

  8. razor99
    • 2 years ago
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    yep

  9. razor99
    • 2 years ago
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    2,7

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

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

  12. tana
    • 2 years ago
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    idk

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

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

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

  16. tana
    • 2 years ago
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    lol im still lost

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

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

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

  20. tana
    • 2 years ago
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    Wow no Help

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

  22. tana
    • 2 years ago
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    Soooo You mad

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

  24. tana
    • 2 years ago
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    i see

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

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

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