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    Question

    Simplify the expression: (4x┬▓ - 16) / (2x -

    4)
    A 2x + 4 Correct Answer Incorrect Answer
    B 2x - 4 Correct Answer Incorrect Answer
    C 2x Correct Answer Incorrect Answer
    D 2 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Factor the numerator: 4x┬▓ - 16 = 4(x┬▓ - 4) = 4(x + 2)(x - 2) Factor the denominator: 2x - 4 = 2(x - 2) Now the expression becomes: 4(x + 2)(x - 2) / 2(x - 2) Cancel (x - 2): The simplified expression is 2(x + 2). Correct Answer: a)

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