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Factor común :1?

Factor común : 1. (x - 3)(x - 4) + (x - 3)(x + 4) 2. (a + b - 1)(a² + 1) - a² - 1 3. (a + b - c)(x - 3) - (b - c - a)(x - 3) 4. A³(a - b + 1) - b² (a - b + 1) 5. 4m(a² + x - 1) + 3n(x - 1 + a².

6JUANESVALDES2003

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Mati11

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