- #1

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## Homework Statement

sqrt(x-1)+sqrt(x-3)+8>0

## Homework Equations

## The Attempt at a Solution

I thought I would square everything to get rid of the root signs...leaving me with

(x-1)+(x-3)+64>0

2x+60>0

x>30

ss:{xE[30,Infinity)}

However, the answer is supposed to be..

[3,infinity)

Please tell me what I am missing.