12=u^2

Solution for 12=u^2 equation:

Simplifying
12 = u2

Solving
12 = u2

Solving for variable 'u'.

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

Add '-1u2' to each side of the equation.
12 + -1u2 = u2 + -1u2

Combine like terms: u2 + -1u2 = 0
12 + -1u2 = 0

Add '-12' to each side of the equation.
12 + -12 + -1u2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -1u2 = 0 + -12
-1u2 = 0 + -12

Combine like terms: 0 + -12 = -12
-1u2 = -12

Divide each side by '-1'.
u2 = 12

Simplifying
u2 = 12

Take the square root of each side:
u = {-3.464101615, 3.464101615}