solve x^3+2x^2+x=0

factorise x³+2x²+x=0 => x(x²+2x+1)=0 => x(x+1)(x+1)=0 => x(x+1)²=0 => This leads to x=0 and (x+1)²=0 so x=0 and x+1=0 => Giving us the answer x=0,-1