Question

(1 - x2) (1 - y2) + 4xy​

Answer 1

Answer:

(1 - x2) (1 - y2) + 4xy​

=1-y^2-x^2+x^2y^2+4xy

=no solution

Answer 2

Step-by-step explanation:

(1-2x) (1- 2y)+4xy. so multiply the first term to second 1(1-2y) -2x(1-2y)+4xy = 1-2y - 2x +4xy +4xy 1-2y-2x+8xy. ans is = 1- 2y-2x+8xy