Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

moongazer Group Title

How do you solve this ? the fastest way possible :)

  • 2 years ago
  • 2 years ago

  • This Question is Closed
  1. moongazer Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    38n^2 + 304n - 128 = -2n^2

    • 2 years ago
  2. moongazer Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Please help :)

    • 2 years ago
  3. Hero Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    1. Add 2n^2 to both sides first

    • 2 years ago
  4. moongazer Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    please continue :)

    • 2 years ago
  5. moongazer Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    I got 40n^2 + 304n - 128 = 0

    • 2 years ago
  6. Hero Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    2. Factor out 8

    • 2 years ago
  7. moongazer Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    8(5n^2 + 38n - 32)

    • 2 years ago
  8. Hero Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    You forgot the equal zero part

    • 2 years ago
  9. moongazer Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    8(5n^2 + 38n - 32) = 0

    • 2 years ago
  10. Hero Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    3. Divide both sides by 8

    • 2 years ago
  11. moongazer Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    w8 I think I got something wrong

    • 2 years ago
  12. Hero Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    32 x 8 = 256 That definitely isn't right

    • 2 years ago
  13. Hero Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    Did you figure out what you did wrong yet?

    • 2 years ago
  14. moongazer Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    it should be 8(5n^2 + 38n - 16) right?

    • 2 years ago
  15. Hero Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    equal zero :/

    • 2 years ago
  16. Hero Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    You keep forgetting the equal zero

    • 2 years ago
  17. moongazer Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    ok, I'll just try to solve it. I think I am getting confused because I divided 128 by 8 wrongly :) I'll just ask you if am I stuck with some part :)

    • 2 years ago
  18. moongazer Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    8(5n-2)(n+8)=0 (5n-2)(n+8)=0 n=2/5 , n=-8 Is this correct?

    • 2 years ago
  19. moongazer Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Thanks! I believe it is correct :)

    • 2 years ago
  20. Hero Group Title
    Best Response
    You've already chosen the best response.
    Medals 2

    It's correct. Good job

    • 2 years ago
    • Attachments:

See more questions >>>

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.