Question 481176
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi,
3x^2+5x=0     Checking roots: | 0 + 0 = 0, 25/3 - 25/3 = 0
x(3x+5)=0, Roots are 0,-5/3
{{{drawing(300,300,   -6, 6, -6, 6,  grid(1),
circle(-5/3, 0,0.3),
circle(0, 0,0.3),
graph( 300, 300, -6, 6, -6, 6,0,3x^2+5x))}}}