Question 260023
 (25-x^2)/(5x^4) *(x^4 +5x^3)/(x-5)
25-x^2=-1*(x-5)(x+5)
{{{( -1*(x-5)(x+5)/(5x^4) )}}}*{{{(x^3*(x +5))/(x-5))}}}

{{{( -1*(x+5)/(5x) )}}}*{{{((x +5)))}}}

{{{( -(x+5)(x+5)/(5x) )}}}