k^2-49.64=81

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Solution for k^2-49.64=81 equation: 


Simplifying
k2 + -49.64 = 81

Reorder the terms:
-49.64 + k2 = 81

Solving
-49.64 + k2 = 81

Solving for variable 'k'.

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

Add '49.64' to each side of the equation.
-49.64 + 49.64 + k2 = 81 + 49.64

Combine like terms: -49.64 + 49.64 = 0.00
0.00 + k2 = 81 + 49.64
k2 = 81 + 49.64

Combine like terms: 81 + 49.64 = 130.64
k2 = 130.64

Simplifying
k2 = 130.64

Take the square root of each side:
k = {-11.42978565, 11.42978565}

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