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23 January, 16:09

The sum of a number and 20 is no more than the sum of the square of the number and 9

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  1. 23 January, 19:45
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    X + 20 < = √x + 9

    x < = √x - 11

    This can't be true without using imaginary numbers ...

    Any number of x greater than 0 will result in a false statement

    Any number of x less than 0 will result in an imaginary number because of √x
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