2log x + 2 log ×+2=3

LogaRitmA

2'log x + 2'log (x + 2) = 3
2'log x(x + 2) = 2'log 2³
x(x + 2) = 2³
x² + 2x - 8 = 0
(x + 4)(x - 2) = 0
x = -4 (tdk memenuhi)
x = 2

Jadi, nilai x yg memenuhi soal :
x = 2