1) log 8(x^2 -3)=18^1 = x^2 - 3x^2 - 3 = 8x^2 = 11x = ±√11
2) log 2(x-3)=log 2 tg(π/4)x-3 = tg(π/4)x-3 = 1x = 4
3) 3^log5(x+5) = log2 83^(log5(x+5)) = 3log5(x+5) = 1x+5 = 5^1x+5 = 5x = 0
1) log 8(x^2 -3)=1
8^1 = x^2 - 3
x^2 - 3 = 8
x^2 = 11
x = ±√11
2) log 2(x-3)=log 2 tg(π/4)
x-3 = tg(π/4)
x-3 = 1
x = 4
3) 3^log5(x+5) = log2 8
3^(log5(x+5)) = 3
log5(x+5) = 1
x+5 = 5^1
x+5 = 5
x = 0