Question 1032052
{{{15-(-15)^-1/(-15)^-4}}}
Since {{{x^m/x^n = x^(m-n)}}}
{{{15-(-15)^(-1-(-4))}}}
{{{15-(-15)^3}}}
since {{{(-15)^3=-(15)^3}}} and {{{-(15)^3}}} = -3375
{{{15-(-3375)}}}
{{{15+3375}}}
{{{3390}}}