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17 February, 04:48

What is the x-intercept of the graph of y = x2-4x+4

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  1. 17 February, 05:13
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    y = x² - 4x + 4

    0 = x² - 4x + 4

    0 = x² - 2x - 2x + 4

    0 = x (x) - x (2) - 2 (x) - 2 (-2)

    0 = x (x - 2) - 2 (x - 2)

    0 = (x - 2) (x - 2)

    0 = (x - 2) ²

    0 = x - 2

    + 2 + 2

    2 = x

    (x, y) = (2, 0)
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