Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Sunshine447

  • 2 years ago

Solve the quadratic equation. 8x^2 + 16x + 8 = 0

  • This Question is Closed
  1. Sunshine447
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    I know how to do this the "plug and play" method, but can someone teach me how to do it when it;s NOT multiple choice? Thanks!

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

    take out 8 and it gives you 8(x^2+2x+1)

  3. Sunshine447
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    okay........

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

    factor out x^2+2x+1

  5. Sunshine447
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    how?

  6. CJVelasco
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    (x+___)(x+___)

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

    think of two numbers that gives you 2 ehrn you add and gives you 1 when you multiply

  8. Sunshine447
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    1 and 1

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

    good then, thats 8(x+1)(x+1)

  10. Sunshine447
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    okay

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

    divide it by 8 to eliminate 8

  12. CJVelasco
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    then it will be (x+1)(x+1)=0

  13. Sunshine447
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    okay

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

    so x=-1

  15. Sunshine447
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    because x+1=0?

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

    yep

  17. Sunshine447
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ohhhh ok thanks!

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

    • 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.