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27 August, 19:09

Factor the expression below. x2 - 4x + 4 A. 4 (x2 - x + 1) B. (x - 2) (x + 2) C. (x + 2) (x + 2) D. (x - 2) (x - 2)

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  1. 27 August, 19:27
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    D. (x - 2) (x - 2)

    Step-by-step explanation:

    x2 - 4x + 4 = x² - 2x - 2x + 4

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

    = (x-2) (x-2)

    HINT: - 2x + 4 = - 2 * x + (-2) * (-2) = - 2 (x - 2)
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