Question 623938
{{{  log(x,9) =-2 }}}
Put it in the form
{{{ x^(-2) = 9 }}}
{{{ x^(-2) = 3^2 }}}
{{{ x^(-2) = 1/3^(-2) }}}
{{{ x^(-2) = (1/3)^(-2) }}}
{{{ x = 1/3}}}