Question 923663
{{{(x+y)(x^2-2xy-2)=x(x^2-2xy-2)+y(x^2-2xy-2)}}}
{{{(x+y)(x^2-2xy-2)=(x^3-2x^2y-2x)+(x^2y-2xy^2-2y)}}}
{{{(x+y)(x^2-2xy-2)=x^3-x^2y-2xy^2-2x-2y)}}}