(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

find all the numbers x for which |x-1|*|x+1|=0

2. Relevant equations

3. The attempt at a solution

|x-1|*|x+1|=0

|x-1|=0 or |x+1|=0

x-1=0 or x+1=0

x=1 or x=-1

but I think there's a flaw some in my attempt solution...or the whole thing is a flaw..

any help will be much appreciated!!!

Thanks!

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# Homework Help: Solving |x-1|*|x+1|=0

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