27-3u^2=

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Solution for 27-3u^2= equation: 


Simplifying
27 + -3u2 = 0

Solving
27 + -3u2 = 0

Solving for variable 'u'.

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

Add '-27' to each side of the equation.
27 + -27 + -3u2 = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -3u2 = 0 + -27
-3u2 = 0 + -27

Combine like terms: 0 + -27 = -27
-3u2 = -27

Divide each side by '-3'.
u2 = 9

Simplifying
u2 = 9

Take the square root of each side:
u = {-3, 3}

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