Question 618724
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
{{{2x/(5x^2-47x+18) - 9x/(5x^2-44x-9) = 2x/(5x-2)(x-9) - 9x/(5x+1)(x-9)}}}
{{{2x/(5x-2)(x-9) - 9x/(5x+1)(x-9)= (2x(5x+1) - 9x(5x-2))/(5x-2)(5x+1)(x-9)= (-5x(7x-4))/(5x-2)(5x+1)(x-9) }}}