Question 323196
{{{ (w + d)(w^2-wd + d^2)= w(w^2- wd + d^2) + d(w^2- wd + d^2)}}}
{{{ (w + d)(w^2-wd + d^2)= (w^3- w^2d + wd^2) + (w^2d- wd^2 + d^3)}}}
{{{ (w + d)(w^2-wd + d^2)= highlight(w^3+ d^3)}}}