10. p(x - 2y) - p(x - 2y)11. ar + br + at + bt12. 4x2 - 3xy - 16x + 12

1.	10. p(x - 2y) - p(x - 2y)11. ar + br + at + bt12. 4x2 - 3xy - 16x + 12y13. 3ax + 4bx - 6ay - 8by14. 6ab- 12 + 12ac - 2bc15. p + p-3p² - 316. 2ax + bx + 2ay + by17. px - 2py - qx + 2qy18. 12x - 8 + 3x - 2y19. d + ac + bc + ab20. x + xy + 9x + 9y.
Answer» 1- p, -p is the answer 2- 2(a,r,b,t) is the your answer 20.x²+xy+9x+9y=x(x+y)+9(x+y)=(x+y)(x+9) b is the best answer

10. p(x - 2y) - p(x - 2y)11. ar + br + at + bt12. 4x2 - 3xy - 16x + 12y13. 3ax + 4bx - 6ay - 8by14. 6ab- 12 + 12ac - 2bc15. p + p-3p² - 316. 2ax + bx + 2ay + by17. px - 2py - qx + 2qy18. 12x - 8 + 3x - 2y19. d + ac + bc + ab20. x + xy + 9x + 9y.

Answer»

1- p, -p is the answer

2- 2(a,r,b,t) is the your answer

20.x²+xy+9x+9y=x(x+y)+9(x+y)=(x+y)(x+9)

b is the best answer