A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 5 years ago

16x^3-20x^2-60x-27 ------------------- 4x+3 Please help

  • This Question is Closed
  1. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    These are confusing I have been able to work out so of the problems but there are some that get me and I need help

  2. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I tried to work out the top and then divide the bottom and that does not work

  3. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    4x^2 -8x -9 ----------------------- 4x+3| 16x^3 -20x^2 -60x -27 -12x^2 ------------------ -32x^2 -60x -27 +24x ----------- -36x -27 +27 ------ 0

  4. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    you know how you divide normal numbers right?

  5. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    right

  6. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    4 <--- 3(4) = 12 ; remember to subtract 12 ----- 3|146 -12 ----- 26 <-- bring down to carry on 48 <--- 3(8) = 24 ; -24 ----- 3|146 -12 ----- 26 -24 ------ 2 <-- remainder

  7. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    This looks really complicated, compared to really division

  8. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    same concept; just with letters in it

  9. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    o ok I guess that is what makes it hard to me then

  10. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    4x times ____ = 16x^3? ; 4x^2 4x(4x^2) +3(4x^2) = 16x^3 +12x^2 16x^3 -20x^2 -(16x^3 +12x^2) 16x^3 - 20x^2 -16x^3 -12x^2 ------------------ 0 -32x^2 right?

  11. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    the letters really are just there to keep track of positions; but we can do it without them if its easier.. 4 -8 -9 --------------- 4+3 |16 -20 -60 -27 -16 -12 ---------- -32 -60 32 +24 --------- -36 -27 36 +27 ---------- 0 + 0

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

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

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.