Respuesta :

Step-by-step explanation:

2(x3+5x2−2x2y−10xy)

=(2)(x3+5x2+−2x2y+−10xy)

=(2)(x3)+(2)(5x2)+(2)(−2x2y)+(2)(−10xy)

=2x3+10x2−4x2y−20xy

=2x3−4x2y+10x2−20xy