(a+1)(a-1)=_____;where ‘a’ is a natural number Question (a+1)(a-1)=_____;where ‘a’ is a natural number in progress 0 Math Kaylee 3 weeks 2021-08-20T19:14:23+00:00 2021-08-20T19:14:23+00:00 1 Answer 0 views 0

## Answers ( )

Answer:a²-1

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