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# Can someone please factorise this? Watch

1. 2x^2+x-351=0

Thank you
2. 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
3. (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)
4. (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.
5. (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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