Question 604405
{{{(x-5)/(x+5)-(-16x+10)/(x^2+x-20)}}}
{{{(x-5)/(x+5)-(-16x+10)/((x+5)*(x-4))}}}
{{{((x-5)*(x-4)-(-16x+10))/((x+5)*(x-4))}}}
{{{((x^2-4x-5x+20)-(-16x+10))/((x+5)*(x-4))}}}
{{{(x^2-9x+20+16x-10)/((x+5)*(x-4))}}}
{{{(x^2+7x+10)/((x+5)*(x-4))}}}
{{{((x+5)*(x+2))/((x+5)*(x-4))}}}
omit (x + 5) on both numerator and denominator
{{{(x+2)/(x-4)}}}