If (-12x)^(4x) = 12x^(15 - x) and x is an integer, what is the value of x ?  Choose the correct choice from the following:
A) 5  B) 4  C) 3  D) 2  E) -2
Since x is an integer, (-12x)^(4x) is always positive.   So, 12x^4x = 12x^(15 - x)   4x = 15 - x   5x = 15   x = 3   Answer: 3
<result>C</result>
If (-12x)^(4x) = 12x^(15 - x) and x is an integer, what is the value of x ?