Answer:
22. x+2y-6
23. 8+x
24. 20g-15h
25. -1+6m
26. -3x-4y^2
27. 13m^3+2n^2
28. 3a^2+8a^3
29. -x^4-8x^2-75
Step-by-step explanation:
this took a long time to do
