Question

x(y-z)-y(x-z)-z(x-y)

Answer 1

Ответ:

$x(y-z)-y(x-z)-z(x-y) = xy - xz - xy + yz - xz + yz = 2yz - 2xz = 2z(y-x)$

Answer 2

Объяснение:

x(y-z)-y(x-z)-z(x-y)= xy - xz -xy +yz - xz +yz = - 2xz + 2 yz = - 2 z ( x -y )