DIRECTIONS: Factor each completely. Use small letters for the variables. 1. a² - 81 * 2 points This question is necessary 2. c² - 16 * 2 points 3. 25e² - 16 * 2 points 4. 4x² - 49 * 2 points 5. 81x - 400y⁴ * 2 points

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