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Math Help - Factoring/Radicals

  1. #1
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    Exclamation Factoring/Radicals

    Hey, I have a couple of questions from my book, I either didn't understand
    or couldn't get the right awnser for.. it would be amazing if you could help!!
    Thanks soo much.


    1.
    2s2(squared)+14s-16
    ________________
    2(s2(squared)+7s-8)




    2.
    ax2(squared)+6ax+9a


    3.
    t2(squared)-9 = t2(squared)-9
    __________ ____________
    t +7 t+12 (t+3)(t+4)



    4.
    x-1 - 3x-2
    ___ ____
    5 10



    5.
    4 - 2
    _______ ________
    2m2-m-1 m2+2m -3



    thanks again!
    Last edited by ccynd; April 3rd 2007 at 04:41 PM.
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  2. #2
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    Is this question 1?
    Attached Thumbnails Attached Thumbnails Factoring/Radicals-ques1.gif  
    Last edited by Jhevon; April 3rd 2007 at 05:01 PM.
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  3. #3
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    I think this is question 2
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  4. #4
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    hah yeah I know I had it all perfect with exponents & everything! I was like Gah this will look good .
    but then it changed it.. and I was like like .. oh god. what ever haha
    but thanks so much ahah yeah, I see what you're doing..
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  5. #5
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    Is this question 3?
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  6. #6
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    yeah it is.
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  7. #7
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    Quote Originally Posted by ccynd View Post
    hah yeah I know I had it all perfect with exponents & everything! I was like Gah this will look good .
    but then it changed it.. and I was like like .. oh god. what ever haha
    but thanks so much ahah yeah, I see what you're doing..
    yeah, the formatting here can get messed up, it doesn't register spaces, you when you press space over and over to create a gap or something, it doesn't actually do anything. there are tricks to getting the formatting to work seamlessly if you don't use LaTex.

    However, i discovered this nice program just yesterday, and now i use it whenever something will be a pain to type out perfectly

    Quote Originally Posted by ccynd View Post
    yeah it is.
    yeah what is? please click "quote" when you're replying, so i know which of my messages you are responding to. or tell me, "yeah, you are right about question so and so"
    Last edited by ThePerfectHacker; April 7th 2007 at 08:57 PM.
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  8. #8
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    haha alright..

    Uh that is question 3..
    & I did the work but I came out with a diffrent awnser then my text book so

    I foiled the one bottom

    thee t(sqred)+7t+12

    & I got

    t(sqrd) - 9
    ---------------

    (t+3)(t+4)


    but.. yeah I dont even know whats up with my text book
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  9. #9
    is up to his old tricks again! Jhevon's Avatar
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    Here's question 4
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  10. #10
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    Quote Originally Posted by ccynd View Post
    haha alright..

    Uh that is question 3..
    & I did the work but I came out with a diffrent awnser then my text book so

    I foiled the one bottom

    thee t(sqred)+7t+12

    & I got

    t(sqrd) - 9
    ---------------

    (t+3)(t+4)


    but.. yeah I dont even know whats up with my text book
    Hold on, let me get this straight. for question 3 you put the question and your answer? You should tell me when you are doing that. did you do that for any others?

    --------------------------------------------------------------------------------

    for t squared, type t^2, we use the "^" symbol to show that the number immediately following the symbol is a power of the number immediately before the symbol
    Last edited by ThePerfectHacker; April 4th 2007 at 05:31 PM.
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  11. #11
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    No.. I just glanced at it before I wrote it down.

    I didn't even notice it before I typed it in.
    thanks so much for helping me haha I'm kinda a mess :S
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  12. #12
    is up to his old tricks again! Jhevon's Avatar
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    Here's number 5
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  13. #13
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    ok, can you just clarify number three now. did i get all the other questions correct?

    once i have all the solutions up, look over them, if there is anything you don't get, ask away. you have a test tomorrow, you need to know how to do these yourself
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  14. #14
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    I get how you did it all now.. & I can immediatley see what I did/or didn't do.

    for number 4., I believe my teacher told us to multiply the entire equasion buy (in this case 10) .

    would that result in the same awnser in the end?



    & with number 3.

    its

    t^2-9
    _________
    t^2 + 7t + 12
    (that looks a little better doesnt it)
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  15. #15
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    Quote Originally Posted by ccynd View Post
    I get how you did it all now.. & I can immediatley see what I did/or didn't do.

    for number 4., I believe my teacher told us to multiply the entire equasion buy (in this case 10) .

    would that result in the same awnser in the end?



    & with number 3.

    its

    t^2-9
    _________
    t^2 + 7t + 12
    (that looks a little better doesnt it)
    yes that does look better, but it looks like you had to do a lot of work to get it so nicely. here's the conventional way to do it without LaTex

    (t^2 - 9)/(t^2 + 7t + 12)

    now that i have the question, i can post the solution
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