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30 November, 01:15

Find the solution of 3 times the square root of the quantity of x plus 5 equals negative 9, and determine if it is an extraneous solution.

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  1. 30 November, 01:53
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    3 * (x+5) ^ (1/2) = - 9

    (x+5) ^ (1/2) = - 3

    x+5=9

    x=4

    3 * (4+5) ^ (1/2) = - 9

    3 * (9) ^ (1/2) = - 9

    3*3=-9

    4 is an extraneous solution
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