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For each real number & we consider the equation x2 + 2kx +7k - 12 = 0. For which value(s) of k does this equation

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For each real number & we consider the equation x2 + 2kx +7k - 12 = 0. For which value(s) of k does this equation have only one root ac? Answer: k = FORMATTING: If there is more than one value of k for which this is true, separate your values of k with semicolons (;)

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