Question

log x2 - log (x+6)=0

Answer 1

Log x² - log (x+6)=0
Log (x²/(x+6))=0
(x²/(x+6))=10^0
x²/(x+6)=1
x²=x+6
x²-x-6 = 0
(x-3)(x+2) =0
x-3=0     x+2=0
x1= 3       x2=-2