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HannahJ

  • 4 years ago

9x^2+9x-28

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  1. saifoo.khan
    • 4 years ago
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    quadratic equation.

  2. saifoo.khan
    • 4 years ago
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    u want factors or value of x?

  3. HannahJ
    • 4 years ago
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    factors

  4. johnthomasappling
    • 4 years ago
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    Yes, use the quadratic equation.

  5. Alexis1994_13
    • 4 years ago
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    Again that. How we can use quadratic equation ??? He don't says 9x^2+9x-28=0! he just says 9x^2+9x-28! This is nothing guys!

  6. HannahJ
    • 4 years ago
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    thats what the problem is!

  7. johnthomasappling
    • 4 years ago
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    It should be set to 0, you are correct.

  8. Alexis1994_13
    • 4 years ago
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    the better thing that you can do is this: 9x(x-9)-28.

  9. Alexis1994_13
    • 4 years ago
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    *** 9x(x+1)-28

  10. Dana400
    • 4 years ago
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    how will that help us?

  11. Alexis1994_13
    • 4 years ago
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    You can't do anything else,only factorization.

  12. Dana400
    • 4 years ago
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    Oh, I see! I thought it's finding x. Sorry, my bad >_< Thanks Alexis =)

  13. Harkirat
    • 4 years ago
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    9x^2 + 9x - 28 (ac = 9*-28 = -252) 9x^2 + 21x - 12x - 28 3x(3x + 7) -4(3x + 7) (3x - 4)(3x + 7)

  14. HannahJ
    • 4 years ago
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    THANK YOU!!!

  15. Harkirat
    • 4 years ago
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    u r welcome.....☺☻☺

  16. HannahJ
    • 4 years ago
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    :) can you help me with some more?

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