If you mean 4^x - 4^(x-1) = 24
then If you let
u = 4^(x-1)
then you have
4u-u = 24
u = 8
4^(x-1) = 8
x-1 = 3/2
x = 5/2
If 4^x-4^x-1=24 find the value of x
2 answers
Thanks
2 answers