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1 October, 18:02

What is the answer to the equation (x-5) ^2=40

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  1. 1 October, 18:29
    0
    x^2 - 10x - 15 = 0

    (don't know how far you want me to go)

    Step-by-step explanation:

    (x - 5) ^2 = 40

    (expand the brackets)

    (x - 5) (x - 5) = 40

    x^2 - 5x - 5x + 25 = 40

    x^2 - 10x + 25 = 40

    x^2 - 10x - 15 = 0
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