6 ^ x = 1
6 ^ x = 6 ^ 0
x = 0
------------------
5 ^ x > 125
5 ^ x > 5 ^ 3
x > 3
( 3 ; + ∞ )
-------------------
( 3/4 ) ^ x = 1
( 3 /4 ) ^ x = ( 3/4 ) ^ 0
x = 0
--------------------
0,1 ^ 4x = 10
10 ^ - 4x = 10
- 4x = 1
x = - 0,25
----------------------
4 ^ 0,3x = 64
4 ^ 0,3x = 4 ^ 3
0,3x = 3
x = 10