u^2=20

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Solution for u^2=20 equation: 


Simplifying
u2 = 20

Solving
u2 = 20

Solving for variable 'u'.

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

Simplifying
u2 = 20

Take the square root of each side:
u = {-4.472135955, 4.472135955}

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