Answer:
The solution should be log7^3(49)-1/3log7(49)=1/3*2
B-2/3
So first you have to do 12-2 since it's in parenthesis. It is 10. 5+4 is 9, and 9 times 10 is 90. 3 squared is 9, then you divide 90 by 9. The answer is 10.