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

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

X & # 178; (y + Z) &# 178; - 2XY (x-z) (y + Z) + Y & # 178; (x-z) &# 178; factorization factor of complete square form [x (y + Z)] &# 178; - 2 × x (y + Z) × y (x-z) + [y (x-z)] &# 178; - ---