Question

(xy-4)(xy+2) answer mujhe Bata do Bhai with formula​

Answer 1

Step-by-step explanation:

(xy-4)(xy+2)

= {xy+(-4)}(xy+2)

= (xy)^2+{(-4)+2}*xy+(-4)*2

= x^2 y^2{-2}*xy+(-8)

= (-2x^2 y^2)*xy-8

= -2x^3 y^3-8