Question

xsquare+2ab- bsquare- 2ab ​

Answer 1

x² + 2ab - b² - 2ab

= x² - b²

= ( x + b ) ( x - b )

Answer 2

Answer:

2ab and -wab cancel out to give x2 - b2. You can write x2-b2 as (x-b)(x+b)