Question

Simplify.
(1-x2)(1-y2)+4xy ​

Answer 1

Answer:

I hope this answer is helpful for you

Answer 2

Answer:

(1-x²)(1-y,²)+4xy

1-x²-,y²+(XY)²+4xy

1+(XY)²-(x-y)²

1+(x-y+XY)(x-y-xy)

Step-by-step explanation:

plz Mark me as brainliest (plz don't confuse with capital letters, they are same =D)