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

kiamonstaa Group Title

3√(2x)+x√(8x)-5√(18x)

  • 2 years ago
  • 2 years ago

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

    show all work.

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

    \[ \large 3\sqrt{2x}+x\sqrt{8x}-5\sqrt{18x} \]

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

    -12√2x+2x√2x

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

    first \[ \large \sqrt{8x}=\sqrt{2\cdot4x}=2\sqrt{2x} \]

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

    \[ \large \sqrt{18x}=\sqrt{2\cdot9x}=3\sqrt{2x} \]

    • 2 years ago
  6. kiamonstaa Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    okay what's next?

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

    plug in the main expresion.

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

    \[ \large 3\sqrt{2x}+x\sqrt{8x}-5\sqrt{18x}= \] \[ \large 3\sqrt{2x}+x[2\sqrt{2x}]-5[3\sqrt{2x}]= 3\sqrt{2x}+2x\sqrt{2x}-15\sqrt{2x} \]

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

    now add/substract like terms

    • 2 years ago
  10. kiamonstaa Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    ohh.....okay thanks

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

    u r welcome

    • 2 years ago
  12. kiamonstaa Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    is that it or am i missing something?

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

    what did u get?

    • 2 years ago
  14. kiamonstaa Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    \[12\sqrt{2x}+2x \sqrt{2x}\]

    • 2 years ago
  15. kiamonstaa Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    oh. ha nvm i got it.

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

    \[ \large =-12\sqrt{2x}+2x\sqrt{2x}=(2x-12)\sqrt{2x} \]

    • 2 years ago
  17. kiamonstaa Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    ohhh.

    • 2 years ago
  18. marcoduuuh Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Which would be my answer. That's the final one without all the work. :p

    • 2 years ago
  19. kiamonstaa Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    lol yeaa

    • 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.