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bearhunter [10]
3 years ago
14

What is the solution to the equation ? sqrt 2n+28-4 sqrt n=0?

Mathematics
2 answers:
Lelechka [254]3 years ago
7 0
Hello !

\sqrt{2n+28}-4\sqrt{n}=0\\\\\sqrt{2n+28}=4\sqrt{n}\\\\\sqrt{2n+28}^2=\left(4\sqrt{n}\right)^2\\\\2n+28=16n\\\\2n-16n=-28\\\\14n=28\\\\\boxed{\boxed{n=2}}
topjm [15]3 years ago
3 0

Just took the test it. Is n=2

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