Question

2xy-y2+(y2-xy)-(x2+xy)​

Answer 1

= 2xy - y2 + y2 - xy - x2 - xy = -x? -ya + y2 = 0 -Xy - xy + 2xy = 0

Answer 2

Ответ:

-2x

Объяснение:

2xy-y*2+2y-xy-2x-xy=2xy-xy-2x-xy=0-2x=-2x