Question

1-x²-y²+2xy
factorize
​

Answer 1

Answer:

(1+x-y) (1-x+y)

Step-by-step explanation:

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

1-(x^2+y^2-2xy)

1-(x-y)^2

this can be written as

1^2-(x-y)^2

(1+(x-y))(1-(x-y))

(1+x-y) (1-x+y)