Question 1087022
{{{z^2(x^2-y^2)+x^2(y^2-z^2)+y^2(z^2-x^2)=(x^2z^2-y^2z^2)+(x^2y^2-x^2z^2)+(y^2z^2-x^2y^2)}}}
{{{z^2(x^2-y^2)+x^2(y^2-z^2)+y^2(z^2-x^2)=(x^2z^2-x^2z^2)+(x^2y^2-x^2y^2)+(y^2z^2-y^2z^2)}}}
{{{z^2(x^2-y^2)+x^2(y^2-z^2)+y^2(z^2-x^2)=(0)+(0)+(0)}}}
{{{z^2(x^2-y^2)+x^2(y^2-z^2)+y^2(z^2-x^2)=0}}}