Question

X^2-1-2y-y^2
=x^2-(1+2y+y^2)
=x^2-(1+y)^2
={x+(1+y)}{x-(1+y)}
=(x+y+1)(x-y-1)

Answer 1

Answer:

x ka power 2

Step-by-step explanation:

+y - y will be cut out

as well as +1 - 1 will also be cut out

so x × x = x ka power 2