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Factor the numerator: 4x² - 16 = 4(x² - 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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