Respuesta :
(2x-2y)(2y+8)
=2x(2y)+2x(8)-2y(2y)-2y(8)
=4xy+16x-4y²-16y
=-4y²-16y+16x+4xy
Use distributed property
-4(y²+4y-4x-xy). As a result, (2x-2y)(2y+8)=-4(y²+4y-4x-xy). Hope it help!
=2x(2y)+2x(8)-2y(2y)-2y(8)
=4xy+16x-4y²-16y
=-4y²-16y+16x+4xy
Use distributed property
-4(y²+4y-4x-xy). As a result, (2x-2y)(2y+8)=-4(y²+4y-4x-xy). Hope it help!
