In summary, Dick states that x^3-4x^2+x-1=0 has roots x^2, and x=sqrt y when y=x^2. He then solves for x by substituting y into the original equation and solving for x. Homework Statement Find the equation who roots are the squares of the roots of the equation x^3-4x^2+x-1=0is the answer x^3-16x^2+x+1=0