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Math Help - Simple algebra question

  1. #1
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    Simple algebra question

    If I have an equation such as y = x(x-1)/(x-1) , is it acceptable to simplify it to y = x ?
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  2. #2
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    Re: Simple algebra question

    Quote Originally Posted by kinhew93 View Post
    If I have an equation such as y = x(x-1)/(x-1) , is it acceptable to simplify it to y = x ?
    as long as you state the restriction that x cannot equal 1 ...

    y = x \, , \, x \ne 1
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