Question

(x+1)(x-1)
If you send I will give you brain list​

Answer 1

Answer:

x²-1

It is your answer!!

And this is an identity

Answer 2

Answer:

x^2-1 is the answer for the given problem

Step-by-step explanation:

Given expression : (x+1)(x-1)

this is in the form of (a+b)(a-b).

we know that (a+b)(a-b)=a^2-b^2

here,a=x,b=1

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