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Math Help - factorise

  1. #1
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    factorise

    can someone show me how to factorise x^2 - 3

    thanks
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  2. #2
    MHF Contributor red_dog's Avatar
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    x^2-3=(x-\sqrt{3})(x+\sqrt{3})
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  3. #3
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    thankyou, could you show me how it works like that please? i mean, how you figured it out
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  4. #4
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    Quote Originally Posted by mark View Post
    can someone show me how to factorise x^2 - 3

    thanks
    Hi

     <br />
x^2-(\sqrt{3})^2=(x+\sqrt{3})(x-\sqrt{3})<br />
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