Question

Find the value of (xy+zy)(xy_zw) by using identities

Answer 1

Answer:

(xy)²- xyzw + zx(y²) - yw (z²)

Step-by-step explanation:

using distributive property

xy × xy + xy × (-zw) + zy × (xy) + zy × (-zw)

(xy)²- xyzw + zx(y²) - yw (z²)

Answered by Gauthmath