Question

[tex]factorise x^{4} y^{4} - 256 z^{4}

Answer 1

(x^2y^2)^2- (16z^2)^2
(x^2y^2+16z^2)(x^2y^2-16z^2)
(x^2y^2+15z^2)((xy)^2-(4z)^2)

(x^2y^2+16z^2)(xy+4z)(xy-4z)

Answer 2

Answer:

• x²y²20z²

Hope it will be helpful ✌️