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9 September, 00:31

3^2+x^2=9^2

What is X?

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  1. 9 September, 00:37
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    3^2+x^2=9^2

    9 + x^2 = 81

    x^2 = 81 - 9

    x^2 = 72

    x^2 = 6^2 * 2

    x = 6 √2 and x = - 6 √2
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