Question

(x2 + 4y2 – 9z2)2 - 16x²y2​

Answer 1

Hope it helps..........

Answer 2

Step-by-step explanation:

(x^2+4y^2-9z^2) -16x^2y^2

(x^2+4y^2-9z^2) - (4xy)^2

(x^2+4y^2-9z^2+4zy)(x^2+4y^2-9z^2-4xy)