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anonymous

  • 5 years ago

@Yuki (or whoever gets to it first) so would you use the same techniques you were showing me for this one? it is in an attachment >.< sowee im confused... :P

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  1. anonymous
    • 5 years ago
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  2. anonymous
    • 5 years ago
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    the first one is the equation your simplifying the next 3 are the options :)

  3. anonymous
    • 5 years ago
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    Eh, I would just factorise the first term, then multiply by the inverse of \[n+4 / n-3\]

  4. anonymous
    • 5 years ago
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    So the first term reduces to (n+4)^2/(n-3)^2 after factorising then you just multiply that by (n-3)/(n+4) which cancels the first to (n+4)/(n-3)

  5. anonymous
    • 5 years ago
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    Ahhh i see i would have gone with C i wish there were a quicker easier way to find the answers to these things that werent so dang complicated!! :P lol but thanks a bunch just helped me slot!! :D

  6. anonymous
    • 5 years ago
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    your welcome :D

  7. anonymous
    • 5 years ago
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    so then the answer to this one would be : wait here i will attach them can u do the last two with me? pls? :)

  8. anonymous
    • 5 years ago
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    OK

  9. anonymous
    • 5 years ago
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    option C = 1

  10. anonymous
    • 5 years ago
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    OK so factorise (n^2 + 3n + 2) to (n+2)(n+1), so it becomes \[((n+2)(n+1))\div2\] then multiply that by the reciprocal of (n+1)/(2(n+2)) which is 2(n+2) / (n+1) , both the 2s cancel and the (n+1)s cancel so its just (n+2)^2

  11. anonymous
    • 5 years ago
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    Ahhhh alright i see the "pattern" or whatever lol okie dokie last one and its on long division UGH :P i stil cant get the hang of it :P

  12. anonymous
    • 5 years ago
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    Option A = x + 5 Option D = x - 7

  13. anonymous
    • 5 years ago
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    OK well can you do long division? Kinda hard to show it on here but I can try

  14. anonymous
    • 5 years ago
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    :P i hate long division URGHHHH

  15. anonymous
    • 5 years ago
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    ok so do you think you could attach the steps?

  16. anonymous
    • 5 years ago
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    Lol x - 9 ______________ x+7/x^2 - 2x - 30 x^2 + 7x -------- -9x - 30 -9x - 63 ---------- 33 <- remainder so it's x - 9 + 33/(x+7)

  17. anonymous
    • 5 years ago
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    Ok im pretty sure i get it now, well more than i got it before :) lol thanks :)

  18. anonymous
    • 5 years ago
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    i always get so wrapped up in the solving underneath the division thing i forget about above it ^^

  19. anonymous
    • 5 years ago
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    haha!! thx!! :)

  20. anonymous
    • 5 years ago
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    Yeah.. I remember doing long division of polynomials last term, it's annoying cause I never used to use long division in lower school I just did the divisions in my head so I had no idea how to do long division. Good luck and you're welcome..

  21. anonymous
    • 5 years ago
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    yea ikr lol thx :)

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