What is the solution to the equation? n = 2 n = 4 n = 7 n = 14

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asked Apr 24, 2021 39.8k views

2 votes

What is the solution to the equation? n = 2 n = 4 n = 7 n = 14

Mathematics
high-school

Fhchl asked

by Fhchl

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2 Answers

4 votes

Answer:

n=2

Explanation:

got it right on edge

Ivan Mir answered Apr 25, 2021

by Ivan Mir

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6 votes

Answer:

n = 2

Explanation:

$√(2n+28)-4√(n)=0\\\\\\√(2n+28) = 4√(n)\\\\$

Take square,

$(√(2n+28))^(2)=( 4√(n))^(2)\\\\ 2n + 28 = 16n\\\\28 = 16n -2n\\\\28 =14n\\\\14n=28\\\\n=(28)/(14)\\\\n=2$

Marco Sousa answered May 1, 2021

by Marco Sousa

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