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

Kuoministers Group Title

can x^3 + 8 be factorised? if so it is using a3 + b3 = (a + b)(a2 – ab + b2)?

  • one year ago
  • one year ago

  • This Question is Closed
  1. backpack799 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    (x-2)(x^2 + 2x + 4)

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

    But the question is x^3 + 8 not minus?

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

    yes, and your are correct,a=x and b=2

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

    *you

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

    Well i was looking to find it in factored from not the answer

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

    form*

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

    yeah, i didn't give any answer... factored form will be ... ?

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

    x^3+2^3 = (...+...)(....-....+...)

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

    Well the formula are as follows, \[a^3 + b^3 = (a + b)(a^2 – ab + b^2)\] \[a^3 - b^3 = (a - b)(a^2 + ab + b^2)\]

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

    (x+2)(x^2- 2 + 4) Is this right?

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

    the 2nd term in 2nd bracket is incorrect.

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

    i mean 2x opps (x+2)(x^2- 2x + 4)

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

    yeah, now correct....

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

    Yeah right

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

    thanks

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

    Your'e 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.