" 20."x^(2)-xz+xy-yz

Factorise: x ^(2) - xz + xy - yz

Factorize: x^(2)+xy-2xz-2yz

Factorise 4x^(2) + y^(2) + z^(2) - 4xy - 2yz + 4xz .

The square root of (xy + xz - yz)^(2) - 4xyz (x -y) is _____

Find the following produts: (i) (x+y+2z)(x^(2)+y^(2)+4z^(2)-xy-2yz-2xz)(2x-y+2z)(4x^(2)+y^(2)+9z^(2)+2xy+3yz-6xz)

Factorise 4x^(2)+y^(2)+z^(2)-4xy-3yz+4xz

Factorize x^(2)+xy+xz+yz