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Why is (n-1)(n+1)=n^2-1?

The basic answer is that you cross-multiply the values in each factor: (n - 1)(n + 1) n^2 - n + n -...

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You sound like ChatGPT - The Verge

AI isn’t just impacting how we write — it’s changing how we speak and interact with others. And ther...

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Iusto dolorem nisi ut veniam et commodi animi. Unde nulla voluptatem non voluptate. Eum dolores expe...

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Why do women like black men?

They are more confident, and I find that they are often very hung. When I was 18, I got hit on by a...