AVRIMARTINEZ58IN AVRIMARTINEZ58IN Matemáticas contestada Factorizar: 1. 7abc – 35abc2 2. 2a4b – 4ab4 – 6a4b4 3. 5a4b4 + 25a8b3 – 30a9b4 4. 2 ( a + b ) + x ( a + b ) 5. 3b ( 2x + 3 ) + 2x + 3 6. x2 + y2 – 5y ( x2 + y2 )