Answer:
1 is 0
2 is 2
3 is 4
Explanation:
so for questions like this all youre doing is replacing the given variable, in this place h, with the numbers given so if you take 1 and plug it in where h is on both sies of the equation you have 3*1-(1+2) and we know 1+2 is 3 and 3*1 is 3 so you have 3-3 which is 0 and then i did the same for the rest of the numbers, good luck and hope this helps.