Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

HannahJ

  • 3 years ago

9x^2+9x-28

  • This Question is Closed
  1. saifoo.khan
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    quadratic equation.

  2. saifoo.khan
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    u want factors or value of x?

  3. HannahJ
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    factors

  4. johnthomasappling
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Yes, use the quadratic equation.

  5. Alexis1994_13
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    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
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    thats what the problem is!

  7. johnthomasappling
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    It should be set to 0, you are correct.

  8. Alexis1994_13
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    the better thing that you can do is this: 9x(x-9)-28.

  9. Alexis1994_13
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    *** 9x(x+1)-28

  10. Dana400
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    how will that help us?

  11. Alexis1994_13
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    You can't do anything else,only factorization.

  12. Dana400
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Oh, I see! I thought it's finding x. Sorry, my bad >_< Thanks Alexis =)

  13. Harkirat
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    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
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    THANK YOU!!!

  15. Harkirat
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    u r welcome.....☺☻☺

  16. HannahJ
    • 3 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    :) can you help me with some more?

  17. Not the answer you are looking for?
    Search for more explanations.

    Search OpenStudy
    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.