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BMI229 Group Title

Solve. 3x2 = –21x – 15

  • one year ago
  • one year ago

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  1. Hope_nicole Group Title
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    get it into the form of ax^2+bx+c and then you can factor it :D

    • one year ago
  2. gorv Group Title
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    take 3 common x2+7x+5=0 solution x=(-7+(29)^1/2)/2 x=(-7-(29)^1/2)/2

    • one year ago
  3. BMI229 Group Title
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    Dont get it help please

    • one year ago
  4. gorv Group Title
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    apply the formula for calculation of root of quadratic equation

    • one year ago
  5. Hope_nicole Group Title
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    okay, so first we should get everything on the same side so its =0. so to do that we would subtract 3x^2 to get -3x^2-21x-15, now personally i dont like working with negatives so if you multiply it all by -1 you will get 0=3x^2+21x+15, does that make sense?

    • one year ago
  6. BMI229 Group Title
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    thanks I got it but can you stick around I have a couple more problems that I need help with?

    • one year ago
  7. gorv Group Title
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    telll mate :)

    • one year ago
  8. Hope_nicole Group Title
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    sure :D sorry OpenStudy was lagging really bad on my computer

    • one year ago
  9. BMI229 Group Title
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    its fine thanks

    • one year ago
  10. Morgan_pierce Group Title
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    can you please put this in the form?

    • one year ago
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