Find the zeros of the polynomial function and state the multiplicity of each zero:

$\displaystyle P(x)=x^2 (3 x+5)^2$

So I know that $\displaystyle x=-5/3$ but sense things are squared I'm loosing the picture.

Is it 0 (multiplicity of 2) and $\displaystyle -5/3$ (multiplicity of 2)?