Question 603872
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi,
for example:
a quadratic equation having the given numbers as solutions -3, -1 
f(x) = a(x+3)(x+1) 
If a=1  
then 
f(x) =  x^2+4x+3 would be one such EQ
{{{drawing(300,300,   -6, 6, -6, 6 , grid(1),
circle(-1, 0,0.3),
circle(-3, 0,0.3),
graph( 300, 300, -6, 6, -6, 6,0,x^2+4x+3 ))}}}