Question

Разложите на множители:
x
−
y
−
z
(
y
−
x
)
.

Answer 1

$x - y - z\cdot ( y -x ) =-(-x+y)-z\cdot (y-x)=-(y-x)-z\cdot (y-x) =(y-x)\cdot (-1-z)=\\ \\ = (y-x)\cdot (-(1+z))=-(y-x)\cdot (1+z) =(x-y)\cdot (z+1)$

Answer 2

x - y- z(y - x) = (x - y) + z(x - y) = (x - y)(1 + z)