Question 177062
{{{ f(x)=2x^2(x-3)(x+1)^2}}}
f(x) is a  polynomial with a double zero at x=0, zero at x=3, and double zero at x=-1.
{{{ graph( 300, 300, -5, 5, -2, 2, 2x^2(x-3)(x+1)^2)}}}
Graph below shows an expanded y range to see the behavior. 
{{{ graph( 300, 300, -5, 5, -100, 100, 2x^2(x-3)(x+1)^2)}}}