a) Log2(x^2 – 9/x^3)^3 <----- log2 2 is subscript.

Question

b)loga 5a^4 <---- loga a is subscript.

Answer 1

are we simplifying?

1st:

log₂[ x^2 - 9/x^3]^3
= 3log₂[x^2] - (log₂9 - log₂[x^3] ]
= 3 (2logx - log9 + 3logx)
= 3(5logx - log9)
= 15logx - 5log9

15log₂x - 5log₂9

you try the second