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

math0101 Group Title

What am I doing wrong here? (5x^2 - 5) / (x - 1) = 5x(x - 1) / (x - 1) = 5x The answer should be 5(1 + 1)

  • one year ago
  • one year ago

  • This Question is Closed
  1. robinfr93 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    answer should be 10??? O_O

    • one year ago
  2. math0101 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    5(x+1) Sorry, typo!

    • one year ago
  3. Callisto Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    (5x^2 - 5) / (x - 1) = 5(x + 1) / (x - 1) ________ The underlined part is wrong. 5x^2-5 Take out the common factor 5 => 5 (x^2 -1) Factor (x^2-1) using the identity \(a^2-b^2 = (a+b)(a-b)\) Can you try it again?

    • one year ago
  4. Callisto Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Oops sorry! The underlined part should be 5(x-1)

    • one year ago
  5. math0101 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Aha, got it! Thanks

    • one year ago
  6. Callisto Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Welcome :)

    • one year 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.