Question 328860
Try the change of base thing.

{{{ln(12)/ln(3)-2*ln(2)/ln(3)}}}

{{{(ln(12)-2*ln(2))/ln(3)}}}

{{{(ln(12)-ln(4))/ln(3)}}}

{{{ln(12/4)/ln(3)}}}

{{{ln(3)/ln(3)=1}}}