Start with the ()
5h-3j-k since you cant add any further u just multiple the second neg in the []
-5h+3j+k+2k you can add ONLY the K
-5h+3j+3k now multiply the neg again this time tih the {}
3j+5h-3j-3k The 3J is canceled out b/c 3j-3j=0
Giving you a total of 5h+3k