Question

the product of (X + 1 )and (x-1) is​

Answer 1

Answer:

x² -x +x + 1 = x² + 1 (ans)

Step-by-step explanation:

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Answer 2

Answer:

(x+1)(x−1)

as (a+b)(a−b)=a

2

−b

2

=(x

−1)(x

+1)

=x

2

−1