K^2-2=15

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Solution for K^2-2=15 equation: 


Simplifying
K2 + -2 = 15

Reorder the terms:
-2 + K2 = 15

Solving
-2 + K2 = 15

Solving for variable 'K'.

Move all terms containing K to the left, all other terms to the right.

Add '2' to each side of the equation.
-2 + 2 + K2 = 15 + 2

Combine like terms: -2 + 2 = 0
0 + K2 = 15 + 2
K2 = 15 + 2

Combine like terms: 15 + 2 = 17
K2 = 17

Simplifying
K2 = 17

Take the square root of each side:
K = {-4.123105626, 4.123105626}

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