Question

Nilai x dari 4 pangkat 2 x + 1 = 128

Answer 1

4^(2x+1) = 128
2^2(2x+1) = 2^7
2(2x+1) = 7
4x + 2 = 7
4x = 5
x = 5/4

Answer 2

4^(2x+1)=128
2^2(2x+1)= 2^7
4x+2=7
4x=5
x=5/4