If (-4)^(6x) = 4^(30 + x) and x is an integer, what is the value of x ?	Choose the correct choice from the following choices.
A) 5
B) 4
C) 3
D) 2
E) 6
Since x is an integer, (-4)^(6x) is always positive.   So, 4^6x = 4^(30 + x)   6x = 30 + x   5x = 30   x = 6   Answer: 6
<result>E</result>
If (-4)^(6x) = 4^(30 + x) and x is an integer, what is the value of x ?