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Math Help - Factorisation

  1. #1
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    Factorisation

    Could someone factorise this really quick, with the whole answer, i just have to check if its right or wrong.

    i got

    x = -2 + or - Sqr (3)
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  2. #2
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    what?
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  3. #3
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    Factorise x^2 + 4x +1
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  4. #4
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    correct

     (x+2-\sqrt{3})(x+2+\sqrt{3})
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  5. #5
    GAMMA Mathematics
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    Quote Originally Posted by andrew2322 View Post
    Factorise x^2 + 4x +1
    Use the quadratic equation:

    x=\frac{-4 \pm \sqrt{16-4}}{2} \Rightarrow -2 \pm \sqrt{3}
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