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What are LGBT+ people tired of hearing?

“That’s not real.” “You’re crazy.” “That’s just an excuse to be a sexual deviant.” “I talked to [ins...

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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 -...