Question

plzzzzzzzzzzzzzzzz..... asking angel........

Answer 1

Heya friend ....!!! ☺☺
Here is the answer :
__________________________

Using identity : (a +b)(a - b) = a^2 - b^2

= (x + 1 ) ( x - 1 ) = x^2 - 1^2 = x^2 - 1
= ( x^2 - 1 ) ( x^2 - 1 )
= 2 ( x^2 - 1 )

HOPE IT HELPS YOU !!
THANKS... !! ^_^