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24 June, 21:33

What are the roots of the equation? x^2+2x-24=0

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  1. 24 June, 23:14
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    This is a very simple question. Observe and divide the last number "-24", you only get eight possibilities

    { (-1, 24), (1, - 24), (-2, 12), (2, - 12), (-3, 8), (3, - 8), (-4, 6), (4, - 6) },

    then try to figure out which is the only set that can get "2".

    By the way, the answer is (6, - 4).
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