Problem 69 of 7
Solve square-root equation with one radical: sqrt(x+2)=x.
Hints
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isolate radical, square, and check.
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Isolate radical, square both sides, and verify candidates.
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Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
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1. State domain and isolate the square root.
2. Square both sides and solve.
3. Substitute candidates into the original equation.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Candidates that make the non-radical side negative or fail original equation.