Question

(x+y+2)²-x+y-2)² factorise​

Answer 1

Answer:

4xy

Step-by-step explanation:

(x+y)² - (x-1)²

= (x²+y²+2xy)-(x²+y²-2xy)

= x²+y²+2xy-x²-y²+2xy

= 4xy

Answer 2

Answer:

(4×y)

={x+Y)2(×-1)2

=(×2+y2+2y)-(×2+Y2-2×y

=×2+Y2+2×y-×2-y+2×y

=4xy..