Question

Factors of 1 – 2ab – (a² + b²) = _____________​

Answer 1

Answer:

=1-(a+b)²

Step-by-step explanation:

1-2ab-(a²+b²)

=1-(2ab+a²+b²)

=1-(a+b)²

We know that x²-y²=(x-y)(x+y)

In the equation we got, x=1 and y=(a+b)

1²-(a+b)²=(1-a-b)(1+a+b)