Question

4^2x-1= 3⁴.4²-272

Answer 1

4^2x-1 = 81. 16 - 272

4^2x-1 = 1296 - 272

4^2x-1 = 1024

4^2x : 4 = 1024

4^2x = 1024 x 4

4^2x = 4096

4^2x = 4^2.3

=> x = 3