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4 votes
X-5=√x + 1
solve and check for extraneous solutions

1 Answer

3 votes
The extraneous solution is 6. First square the right side of the equation, then solve. You get 6. Since when you plug in 6 to the equation, it does not add up to the same value on both sides, then it is extraneous.


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User Gefilte Fish
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