pa help help help help hihi

Answer:
1. 5x+y²+4
4+y²-3x
2. —3
4ab
or
3
4ba²
3. x+3
x–4
4. m+5
m–2
5. x–7
x+2
Step-by-step explanation:
sana po makatulong
keep safe po ☺️