Question

P log (x²-12)=p log x

Answer 1

X² - 12 = x
x² - x -12 = 0
(x-4)(x+4) = 0
x-4 = 0
x= 4

x+4=0
x = -4

kolom komentar
²log(x.(x-6)) = ²log 16
x² - 6x = 16
x² - 6x - 16 = 0
(x-8) (x+2) = 0
x-8=0
x=8

x+2=0
x=-2