2 square root is 2 not 1. if it was 4 then it would be 2². I don't get it.
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What you have written makes no sense. Clarify, please. x^2+2 does not always = x+1 or x+2.
If your book says x^2 - 2 = (x-1)(x+1), get a new book.
In all kindness, you really need to work on how you describe something.
the book says x²-2
(x-1)(x+1)
Does this mean the book says x^2 - 2 and then later on says (x-1)(x+1)... does it mean they are equal? You haven't asked a logical question. I am not trying to offend you, it was my plan to help.
If your book says x^2 - 2 = (x-1)(x+1), get a new book.
In all kindness, you really need to work on how you describe something.
the book says x²-2
(x-1)(x+1)
Does this mean the book says x^2 - 2 and then later on says (x-1)(x+1)... does it mean they are equal? You haven't asked a logical question. I am not trying to offend you, it was my plan to help.
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??? I don't understand either. But I'm curious what you're asking . . .
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It's not...
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No wonder. You are dumber than a doorknob.