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28 February, 06:33

Simplify (1/x+1) + (1/x-1). Is it 2/xsquared minus 1

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  1. 28 February, 09:46
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    Relax. Do you see that plus " + " sign in the middle? That means there's no multiplication involved, only addition and combining like terms. You can just erase all the parentheses and add everything up. I think you end up with just 2/x.
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