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Skip Out The Middle Man

Algebra Level 4

\[\LARGE( { x }^{ 2 }+4x+5 ) ^{ ( x^{ 2 }+4x+5 ) ^{( x^{ 2 }+4x+5 )} }=2016\]

Find the sum of all real \(x\) that satisfy the equation above.

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Excel in math and science

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