Ada yang tau ini . Bab logaritma

x'log4 + x'log(x + 3) = 2
x'log 4(x + 3) = x'logx²

4(x + 3) = x²
4x + 12 = x²
x² - 4x - 12= 0
(x - 6)(x + 2) = 0

x - 6 = 0
x = 6

atau
x + 2 = 0
x = -2 (tidak memenuhi)

HP = {6}