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anonymous

  • one year ago

Divide Anyone want to help me out? x^2 -4/x-8/x-2 A.(x-2)(x+2)/x -8 B.x-8/x+2 <-- This is wrong C.x-2/x-8 D.x+2/x-8 I think it is C i'm just being for sure I failed math the first time trying not to do that again. XD

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  1. Nnesha
    • one year ago
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    is it \[\huge\rm \frac{ \frac{ x^2 -4}{ x-8 } }{ x-2 }\]

  2. anonymous
    • one year ago
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    Yes it is.

  3. Nnesha
    • one year ago
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    alright show your work plz

  4. Nnesha
    • one year ago
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    or explain how did you get C ?

  5. anonymous
    • one year ago
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    To be honest guess it XD

  6. Nnesha
    • one year ago
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    i knew it don't guess and btw it's too hard to pick the option whn there are 4!

  7. anonymous
    • one year ago
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    I Know but if you don't know how to solve it it's the next option.

  8. Nnesha
    • one year ago
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    \[\huge\rm \frac{ \frac{ x^2 -4}{ x-8 } }{ x-2 }\] first of all change division the multiplication so multiply first fraction by the reciprocal of the bottom fraction example \[\large\rm \frac{ \frac{ a }{ b } }{ \frac{ c }{ d }}\] \[\bf \frac{ a }{ b } \times \frac{ d }{ c }\]

  9. anonymous
    • one year ago
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    4|dw:1437412031089:dw| Like this

  10. Nnesha
    • one year ago
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    what's that ?

  11. anonymous
    • one year ago
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    You said multiply by the reciprocal right.

  12. Nnesha
    • one year ago
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    yes reciprocal of the denominator

  13. anonymous
    • one year ago
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    So the -2 and the -8?

  14. Nnesha
    • one year ago
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    and btw you can't separate x and -8

  15. Nnesha
    • one year ago
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    nope

  16. Nnesha
    • one year ago
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    (x^2-4) don't separate

  17. anonymous
    • one year ago
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    Okay

  18. anonymous
    • one year ago
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    so x^2-4*x^2-4?

  19. Nnesha
    • one year ago
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    \[\huge\rm \frac{ \frac{ x^2 -4}{ x-8 } }{\frac{ x-2}{1} }\] there is invisible one at the denominator of x-2

  20. Nnesha
    • one year ago
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    now multiply x^2-4/x-8 by the reciprocal of x-2/1

  21. anonymous
    • one year ago
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    I see why i guessed it :/ I don't understand this..

  22. Nnesha
    • one year ago
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    what is reciprocal of x-2 /1 ?

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