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Math Help - Simplifying the following expressions *Absolute values *

  1. #1
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    Question Simplifying the following expressions *Absolute values *

    Hey guys, im having trouble with this question so please explain how to do it and show working if you could (:

    Simplify the following expressions:

    { l 1-x l } / { 1 - x }

    Thanks a lot (:
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  2. #2
    MHF Contributor FernandoRevilla's Avatar
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    Use:

    \left |{1-x}\right |=\begin{Bmatrix} 1-x & \mbox{ if }& x\leq 1\\x-1& \mbox{if}& x>1\end{matrix}


    Fernando Revilla
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