Distribute the negative throughout the set of parenthesis
5h-4-h+5
Ok, so your like terms are...
5h and -h
-4 and +5
If you rearrange the terms so that the like terms are next to each other, it is easier to combine them:
5h-h-4+5
5h-h=4h
-4+5=1
So, the problem is:
4h+1
Hope that helps :)
