6log ( x^2 - 6x + 8) = 6log 24

Bab Logaritma
Matematika SMA Kelas X

⁶log (x² - 6x + 8) = ⁶log 24
x² - 6x + 8 = 24
x² - 6x + 8 - 24 = 0
x² - 6x - 16 = 0
(x - 8) (x + 2) = 0
x - 8 = 0
x = 8

x + 2 = 0
x = -2

syarat
x² - 6x + 8 > 0
(x - 4) (x - 2) > 0
x - 2 < 0
x < 2

x - 4 > 0
x > 4

HP = { -2, 8 }