Question 200763
Assuming you mean log base 42:
{{{log(42,(x^2-x))=1}}}
.
{{{ x^2-x = 42^1}}}
{{{ x^2-x = 42}}}
{{{ x^2-x-42 = 0}}}
{{( (x-7)(x+6) = 0}}}
x = {-6, 7}