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23 votes
23 votes
Rewrite each of the following expressions without using absolute value: |x-5|+|x+5| if x<-5

User Simplylizz
by
3.1k points

1 Answer

19 votes
19 votes

For
x < -5:


x-5 < 0 \Rightarrow |x-5|=-(x-5)=-x+5\\x+5 < 0\Rightarrow |x+5|=-(x+5)=-x-5

So


|x-5|+|x+5|=-x+5-x-5=-2x

User Somenath Sinha
by
2.9k points
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