Question

(x + y) • (x2 - y2 ) =

Answer 1

$(x + y)(2x - 2y)$

usando propiedad distributiva

${2x}^{2} - 2xy + 2xy - {2y}^{2}$

factorizando

$2( {x}^{2} - {y}^{2} )$

espero que te sirva

:)