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If the quadratic equation x² + px + q = 0 has roots 3 and -1, what is the value of p + q?

Answer: B. 2
The sum of the roots is 3 + (-1) = 2, so p = -2. The product of the roots is 3 * (-1) = -3, so q = -3. Thus, p + q = -2 + (-3) = -5.
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