2018 UNM-PNM Statewide High School Mathematics Contest II Problems/Problem 5

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Problem

Let $x$ and $y$ be two real numbers satisfying $x-4\sqrt{y} = 2\sqrt{x-y}$. What are all the possible values of $x$?


Solution

See also

2018 UNM-PNM Contest II (ProblemsAnswer KeyResources)
Preceded by
Problem 4
Followed by
Problem 6
1 2 3 4 5 6 7 8 9 10
All UNM-PNM Problems and Solutions