Question

factories 1-2ab-(a²+b²)​

Answer 1

Answer:

1-2ab-(a2+2ab+b2)

1-2ab-a2-2ab-b2

1-4ab-a2-b2

Answer 2

Hii☺️

you are welcome in my ans

(a + b)^2 - 1

(a + b - 1)(a + b + 1)

__/\__✌️✌️

Hope it may helps you✊✊