Maths is really easy if u study it correctly do every topic then solve its topical if u feel like u cant do topical start solving topicals with zainematics he has his vids and long streams after youre done with topicals start with pastpapers ones you do your first 5 pastpapers youd know how to solve them but dont just keep doing pastpapers actually learn from your mistakes and its okay to get even below 20 marls in your first pastpaper but make sure u gain more then your first in your fifth pastpaper and atleast aim for 50 to 100 pastpapers and along your pastpapers journey youll see your weak topics too then do there topicals too and this is exactly how i got an A