K^2=18

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Solution for K^2=18 equation: 


Simplifying
K2 = 18

Solving
K2 = 18

Solving for variable 'K'.

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

Simplifying
K2 = 18

Take the square root of each side:
K = {-4.242640687, 4.242640687}

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