^2 log 80-^2 log 5=???

^2 log 80 - ^2 log5
^2 log( 80 : 5)
^2log 16
^2log2^4
4.^2log2
4.1 =4

^2 log 80 - ^2 log 5=
^2 log (80/5)=
^2 log 16=
^2 log 2^4=
4.^2 log 2=4