Question

-+*=; *+*=; ++*+*(-)=?

Answer 1

Ответ:

x(x+z-y)+y(y-x-z)+(x-y+z)=x^2+zx-yx+y^2-xy-zy+x-y+z=x^2-2xy+y^2+zx-zy+x-y+z=(x-y)^2+zx-zy+x-y+z=(x-y)^2+z(x-y)+x-y+z=(x-y)^2+(x-y)(z+1)+z=(x-y)(x-y+z-1)+z

Пошаговое объяснение:

Answer 2

Спасибо большое!!!

;)