Question 53737
You have a complex fraction which by definition expands to {{{((x^2+2x-15)/4x^2)((2x-10)/(x^2-25))}}}.  Factoring yields {{{((x-3)(x+5)/4x^2)*(2(x-5)/(x+5)(x-5))}}}.  Simplifying gives us {{{2(x-3)/4x^2}}} which reduces to {{{(x-3)/2x^2}}}.