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InsanelyChaotic

  • 3 years ago

Solve. 9x2 - 21x + 15 = 0

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  1. hartnn
    • 3 years ago
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    your answer ?

  2. mayankdevnani
    • 3 years ago
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    9x^2 – 21x + 15 = 0 You can factor a 3 out of every term!!!! what you get???? @InsanelyChaotic

  3. InsanelyChaotic
    • 3 years ago
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    one sec:)

  4. mayankdevnani
    • 3 years ago
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    plz

  5. InsanelyChaotic
    • 3 years ago
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    |dw:1355838350455:dw|

  6. mayankdevnani
    • 3 years ago
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    what is this??? is this your answer?

  7. InsanelyChaotic
    • 3 years ago
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    yeah

  8. hartnn
    • 3 years ago
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    b^2-4ac = 49-4*3*5=...?

  9. mayankdevnani
    • 3 years ago
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    VERY SIMPLE!!!!- can you factor a 3 out of every term!!!! @InsanelyChaotic

  10. hartnn
    • 3 years ago
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    you always make mistke in b^2-4ac term

  11. mayankdevnani
    • 3 years ago
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    |dw:1355838533398:dw|

  12. InsanelyChaotic
    • 3 years ago
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    Is it a negative...?

  13. mayankdevnani
    • 3 years ago
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    @InsanelyChaotic

  14. InsanelyChaotic
    • 3 years ago
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    excuse me??????

  15. hartnn
    • 3 years ago
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    yes, b^2-4ac comes out to be negative

  16. hartnn
    • 3 years ago
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    what your b^2-4ac comes out to be ?? show your work, plz.

  17. mayankdevnani
    • 3 years ago
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    @InsanelyChaotic can you solve it??? or done it???? be fast!!!! its so simple one

  18. InsanelyChaotic
    • 3 years ago
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    haha if only it was that easy mayan

  19. mayankdevnani
    • 3 years ago
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    plz answer it !!!!

  20. InsanelyChaotic
    • 3 years ago
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    |dw:1355838742600:dw|

  21. hartnn
    • 3 years ago
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    with practice, it will become easy

  22. hartnn
    • 3 years ago
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    haha, can't see what u wrote under sqrt.

  23. InsanelyChaotic
    • 3 years ago
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    |dw:1355838819272:dw|

  24. mayankdevnani
    • 3 years ago
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    |dw:1355838819812:dw|

  25. hartnn
    • 3 years ago
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    no, b^2-4ac = 7^2-4*3*5=.... ?

  26. mayankdevnani
    • 3 years ago
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    @InsanelyChaotic hey!!!! cool down!!!! can you solve it!!!! answer it!!!! be fast m waiting

  27. InsanelyChaotic
    • 3 years ago
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    Ok, let me try again, but i need to know if the outcome will be negative or not?

  28. InsanelyChaotic
    • 3 years ago
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    haha dude i'm calm

  29. hartnn
    • 3 years ago
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    yes, b^2 -4ac comes out to be negative

  30. InsanelyChaotic
    • 3 years ago
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    thanks

  31. mayankdevnani
    • 3 years ago
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    @hartnn i am wrong??

  32. hartnn
    • 3 years ago
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    u mised a 'x' , 21x/3

  33. InsanelyChaotic
    • 3 years ago
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    |dw:1355839012827:dw|

  34. mayankdevnani
    • 3 years ago
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    |dw:1355839027039:dw|

  35. hartnn
    • 3 years ago
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    thats correct @InsanelyChaotic

  36. hartnn
    • 3 years ago
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    oh, wait, it will be +7

  37. InsanelyChaotic
    • 3 years ago
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    so it is negative?

  38. radar
    • 3 years ago
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    |dw:1355839200084:dw|

  39. hartnn
    • 3 years ago
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    yup

  40. radar
    • 3 years ago
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    It is complex

  41. hartnn
    • 3 years ago
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    yes, x is complex......because b^2-4ac was negative

  42. InsanelyChaotic
    • 3 years ago
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    thank you guys

  43. radar
    • 3 years ago
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    |dw:1355839327257:dw|

  44. hartnn
    • 3 years ago
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    welcome ^_^

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