$a^3 + b^3 = (a + b)(a^2 - ab + b^2)$ $a^3 - b^3 = (a - b)(a^2 + ab + b^2)$

Go ! Factorisiere: !

$a^3 + 1 =$ $(a-1)(a^2+a+1)$
$16+2x^3y^3 = $