Question 981130
{{{8x^2 y^2 /x^-2 y *  (4xy^2)-1/x^2 y }}}
I removed some spaces.
{{{8x^2y^2 /x^-2y *  (4xy^2)-1/x^2y }}}
In the 1st fraction, multiply NUM and DEN by x^2
{{{8x^4y^2/y*(4xy^2)-1/x^2y }}}
I helped.  What to do now?