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burhan101

  • 2 years ago

x(x²+9x+3)= -5(2x+1)

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  1. burhan101
    • 2 years ago
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    |dw:1343190923944:dw|

  2. NotTim
    • 2 years ago
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    do you kno of synthetic division?

  3. burhan101
    • 2 years ago
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    yes but wont i need to find a factor of 5 that would make the equation equal zero ?

  4. burhan101
    • 2 years ago
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    oh nvm it's -1

  5. NotTim
    • 2 years ago
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    I think so?

  6. burhan101
    • 2 years ago
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    yup it is, thanks :)

  7. NotTim
    • 2 years ago
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    awesome. that all yo uneed? confrimation?

  8. burhan101
    • 2 years ago
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    yes but one more thing

  9. burhan101
    • 2 years ago
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    |dw:1343191358412:dw|

  10. burhan101
    • 2 years ago
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    zeros would be: (x+1) .. and idk which other ones :S

  11. burhan101
    • 2 years ago
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    @lgbasallote any thoughts ?

  12. NotTim
    • 2 years ago
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    for the other zeros, don't you have to solve for x^2+8x+5

  13. burhan101
    • 2 years ago
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    yes but i cant come up with a whole number value for

  14. NotTim
    • 2 years ago
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    do you need a whole number value?

  15. burhan101
    • 2 years ago
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    yes

  16. panlac01
    • 2 years ago
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    \[x=-1\] \[x=-4-\sqrt{11}\] \[x=\sqrt{11}-4\]

  17. NotTim
    • 2 years ago
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    Panlac, you gotta explain your answer!

  18. NotTim
    • 2 years ago
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    if we wanted answers, we'd use wolframalpha.com

  19. burhan101
    • 2 years ago
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    there are no ways of getting whole #s ?

  20. NotTim
    • 2 years ago
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    i never thought it neccessary. why oy uwant?

  21. panlac01
    • 2 years ago
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    check chapter 2 of this textbook http://finedrafts.com/files/Larson%20PreCal%208th/Larson%20Precal%20CH2.pdf I just finished pre-cal last week for summer course

  22. panlac01
    • 2 years ago
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    download it if you must :-)

  23. NotTim
    • 2 years ago
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    yayy

  24. burhan101
    • 2 years ago
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    this is great ! :D what grade would this be btw ?

  25. NotTim
    • 2 years ago
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    grade 10 or 11.

  26. NotTim
    • 2 years ago
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    11 more like...

  27. Romero
    • 2 years ago
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    http://www.wolframalpha.com/input/?i=x%28x%C2%B2%2B9x%2B3%29%3D+-5%282x%2B1%29%2C+solve+for+x

  28. burhan101
    • 2 years ago
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    looks like the grade 12 advanced functions course material too thank you soooooo much !

  29. NotTim
    • 2 years ago
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    woOOooOO!

  30. panlac01
    • 2 years ago
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    yeah. check out chapters 1-4: linear, quadratic, polynomial and logarithmic functions. you will be able to tell the movements and shifts and of the functions in no time, how many turning points (global/local maximum and minimums), and their values. I use wolfram alpha instead of TI calculators for best FIT models, but not on the problem you posted. I uploaded the whole textbook by Larson et al. to share.

  31. burhan101
    • 2 years ago
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    thanks so much, my exam in in two days .. this will help A LOT !

  32. burhan101
    • 2 years ago
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    the link you gave me was just chapter 2 though, right ?

  33. panlac01
    • 2 years ago
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    yeah. but you can check out finedrafts.com/files and just look for Pre-Cal by Larson et al. the rest are physics and biology textbooks that I used.

  34. burhan101
    • 2 years ago
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    okay thanks again !

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