Solve
4^x + 15(4)^-x = 8
change bases to 2
2^2x + 15*2^(-2x)=2^3
2^(4X) +15=2^(3+2x)
Which is going nowhere.... I will have to think on it.
4^x + 15(4)^-x = 8
2^2x + 15*2^(-2x)=2^3
2^(4X) +15=2^(3+2x)
Which is going nowhere.... I will have to think on it.