Find the product mentally. [(x + 1)(x - 1)]^2 pls . be quick if you can =)

Step-by-step explanation:

Step 1:-

Given problem is [(x + 1)(x - 1)]^2

by using formula in side square bracket is

Step 2:- again we will use formula

" alt="(x^2-1)^{2} = (x^{2}) ^{2} -2 x^{2} (1)+1^{2}" />" />

on simplification we get

Final -

4.08%

step-by-step explanation: