Question

Factorisation of x square - 1​

Answer 1

ʜᴇʏᴀ ᴍᴀᴛᴇ ʜᴇʀᴇ ɪs ʏᴏᴜʀ ᴀɴsᴡᴇʀ 
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${x}^{2} - 1 = (x + 1)(x - 1)$

Answer 2

(x^2)-1

(x)^2 - (1)^2

(x-1) (x+1).