3u^2=18-6

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Solution for 3u^2=18-6 equation: 


Simplifying
3u2 = 18 + -6

Combine like terms: 18 + -6 = 12
3u2 = 12

Solving
3u2 = 12

Solving for variable 'u'.

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

Divide each side by '3'.
u2 = 4

Simplifying
u2 = 4

Take the square root of each side:
u = {-2, 2}

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