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11 September, 10:09

Find all values of the variable for which the rational expression is undefined X plus 3 over 5 x squared + 21 x - 20

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  1. 11 September, 13:14
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    1) (x+3) ^5+21x+20

    2) x^5+243+21x+20

    3) x^5+21x+263

    The answer is x^5+21x+263
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