15. What are the roots of the quadratic equation x2 + x -56 = 0? A.2 and -1 B. 8 and - 7 C.-8 and 7 D. 3 and -2
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15. What are the roots of the quadratic equation x2 + x -56 = 0? A.2 and -1 B. 8 and - 7 C.-8 and 7 D. 3 and -2
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