Question

Factorise x²-y²-2y-1 ::don't spam wrong answer

Answer 1

Answer:

x²-y²-2y-1

(x+y)*(x-y)-2y-1

Step-by-step explanation:

Pls mark me brainliest <3

have a wonderful day :D

Answer 2

Answer:

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

Step-by-step explanation:

x² - (y²+2y+1)

= x² - (y+1)²

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