Question

x^2 - 1

Plz help guys ​

Answer 1

Answer:-

It can be also written as -

${x}^{2} - {1}^{2}$

We know that

${x}^{2} - {y}^{2} = (x + y)(x - y)$

So,

(x+1)(x-1)

Then x = 1,-1. Answer