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whatevs

  • 4 years ago

0=x^2-9x+4

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  1. whatevs
    • 4 years ago
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    I can't figure out how to find the two solutions? how can you factor this?

  2. pratu043
    • 4 years ago
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    Use fomula for quadratic equation

  3. anfar
    • 4 years ago
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    use the formula ax^2+bx+c \[x=(-b \pm \sqrt{b ^{2}-4ac})/2a\]

  4. whatevs
    • 4 years ago
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    oh ok

  5. whatevs
    • 4 years ago
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    b= -9??

  6. partyrainbow276
    • 4 years ago
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    wait i got it

  7. pratu043
    • 4 years ago
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    |dw:1320973352751:dw|

  8. partyrainbow276
    • 4 years ago
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    For example, for the quadratic equation x2 + x - 12 = 0, x = 3 and x = -4 are both roots ... 9x2 = 81 (a = 9, b = 0, c = -81 since we could subtract 81 from both sides) ...

  9. josecastaneda
    • 4 years ago
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    x=6.21

  10. pratu043
    • 4 years ago
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    yes b = -9

  11. partyrainbow276
    • 4 years ago
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    Quadratic Equations AlgebraIn this case, the equation x2 - x - 2 = 0 can be broken apart into two factors [i.e., ... 9x2 = 81 (a = 9, b = 0, c = -81 since we could subtract 81 from both sides) ...

  12. anfar
    • 4 years ago
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    yes a=1, b=-9,c=4

  13. whatevs
    • 4 years ago
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    I got 9 +- sqrt 65 / 2

  14. anfar
    • 4 years ago
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    yes (9+- sqrt65)/2

  15. whatevs
    • 4 years ago
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    would that be the answer?

  16. partyrainbow276
    • 4 years ago
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    Exactly

  17. partyrainbow276
    • 4 years ago
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    can u helpp me

  18. partyrainbow276
    • 4 years ago
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    or someone

  19. josecastaneda
    • 4 years ago
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    your value for x=6.21

  20. partyrainbow276
    • 4 years ago
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    can u help meeee plzzz

  21. josecastaneda
    • 4 years ago
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    i already told you the answer is x=6.21

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