Question 632913
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
{{{(x-3)(x+7)/(x-4)}}} <=0}}}
{ x | x &#8804; -8  or 3 &#8804; x < 4}}}
Note graph of 
{{{(x-3)(x+7)/(x-4)}}}
{{{drawing(300,300,   -10, 6, -20, 6,  blue(line(4,6,4,-20))  , grid(1),
graph( 300, 300, -10, 6, -20, 6, 0 ,(x-3)(x+7)/(x-4) ))}}}