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12 November, 15:53

W^2-8w=9 complete the square and round to the nearest hundredth if necessary

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  1. 12 November, 16:31
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    w = 7, 1

    Step-by-step explanation:

    A perfect square is shown by a²-2ab+b²

    If you substitute the question into the formula you get:

    w² - (2*4*w) + 4²

    Simplify and you get:

    w²-8w+16=9

    Factor:

    (w-4) ²=9

    Square Root both sides:

    w-4=±3

    w=7, w=1
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