Simplify the following expressions.

1) 4x+ 9x – 17y – x + 22y
2) 2m(y + 7) – 6m + 36y
3) 3 2 gh – 2 2 hg + 18hg + 24gh – 17gh
4) 2s + 3(9s 2 + 8s - 3) – s 2
5) Zy(2x + zy) + 5(xzy + z 2 y 2 )