Question

resolva a equação log(x-2) +log(x+2)=2

Answer 1

log(x-2+log(x-2)=2
2log(x-2)=2
$\frac{2log(x-2)}{2}$=$\frac{2}{2}$
log(x-2)=1
log(x-2)=log(10)
x-2=10
x=12