lordina31 lordina31 10-03-2024 Mathematics contestada Simplify the following 1. 2(a+3)(2a-1) 2. 3xy-6x+9x 3. 10q+15aq 4. a+b+c-2a-2b-2c 5. 6xy-14x+5xy+xc 6. 2x^2+x+6x+5 7. 6a^2-9a+8a-12