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Math Help - value of x rational expression

  1. #1
    rcs
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    value of x rational expression

    how to show that x = 1 on this when i tried to factor both numerator and denominator are not possible?

    thanks
    Attached Thumbnails Attached Thumbnails value of x  rational expression-presentation1.jpg  
    Last edited by rcs; July 30th 2012 at 08:52 PM.
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  2. #2
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    Re: value of x rational expression

    What's the rational expression?
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  3. #3
    rcs
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    Re: value of x rational expression

    I clipped on the above post sir.

    is that possible?

    thanks
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  4. #4
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    Re: value of x rational expression

    Come on, it's really simple. x^2 + 4x + 7 = x^2 + 3x + 8; a quadratic where the quadratic term even cancels out. So 4x + 7 = 3x + 8 \Rightarrow x = 1.
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