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6.1.11 duration 1 minute 0 seconds 6.1.11 6.1.11	6.1.11 (x^2 + 3x + 2) / (x^2 - 1) introductory algebra math 0409 douglas bump mathematics hcc bottom guys squares difference eyes times factors numbers selfsame suit From Marisol Montemayor 0 likes 0