Question 840982
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
 -42x^2+15x+3&#8805;0 
{{{x = (-(-42) +- sqrt( 729))/(2(-42)) }}}
  x = .5   and x = -1/7
  [-1/7,.5]
 {{{drawing(300,300,   -4, 4, -4, 4, grid(1), 
circle(.5, 0,0.2),
circle(-1/7, 0,0.2),
graph( 300, 300,    -4, 4, -4, 4,0, -42x^2+15x+3))}}}