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Can someone please factorise this? Watch

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    2x^2+x-351=0

    Thank you
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    I have the answer but giving it to you won't be beneficial what parts have you started and where are you stuck?

    (Original post by M00ND4NC3R)
    2x^2+x-351=0

    Thank you
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    (Original post by Emz99)
    I have the answer but giving it to you won't be beneficial what parts have you started and where are you stuck?
    2x(-351)=-702
    Square root of 702 is roughly 26.4 so you know 2 numbers near 26 multiply to give 702.
    26x27=702
    -26x27=-702 and -26+27=1 (this for the +X)
    -26/2=-13
    And so (2x+27)(x-13)
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    (Original post by JoshuaLegend)
    2x(-351)=-702
    Square root of 702 is roughly 26.4 so you know 2 numbers near 26 multiply to give 702.
    26x27=702
    -26x27=-702 and -26+27=1 (this for the +X)
    -26/2=-13
    And so (2x+27)(x-13)
    Yes well done if you havent noticed OP just asks for answers and doesn't even attempt them.
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    (Original post by Emz99)
    Yes well done if you havent noticed OP just asks for answers and doesn't even attempt them.
    Yes I realised that but now they've seen how to approach such a question they can try to answer similar examples
 
 
 
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