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11 August, 09:07

3 times a number is 54 less than the square of that number. Find the positive solution.

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  1. 11 August, 09:37
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    Answer:x=9

    Step-by-step explanation:

    To find the positive solution for this, then we will say;

    Let the number be x

    3x
    x^2-3x-54<0

    Then we are going to factorise

    x^2-9x+6x-54=0

    (x^2-9x) + (6x-54) = 0

    x (x-9) + 6 (x-9) = 0

    (x+6) (x-9) = 0

    Therefore, The positive solution for this is: x=9
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