You just asked this question and I just answered it:
https://web2.0calc.com/questions/help-11_15
Hope this Helps ;P
9+(12)4∗48
Find what (12)4 equals:
(12)4
1424
124
Then 48∗124
1∗4824
4824
Factor 48 which will come to 24∗3
24∗324
3
Now continue
9+3
12
Your answer would be 12
Hope this Helps ;P