September 2023 1 12 Report
ayuda por favor
Ejercicio 2:
Multiplica y combina los términos semejantes.
1. (x+5)(x - 4) = x - 4x + 5x-20=x²+x- 20
2. (x + 2)(x + 6) =
3. (2x+3)(x + 4) =
4. (-x-8)(3x - 1) =
5. (3y - 4)(5 - 2y) = ​

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