2u^2+2-12=0

Solution for 2u^2+2-12=0 equation:

Simplifying
2u2 + 2 + -12 = 0

Reorder the terms:
2 + -12 + 2u2 = 0

Combine like terms: 2 + -12 = -10
-10 + 2u2 = 0

Solving
-10 + 2u2 = 0

Solving for variable 'u'.

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

Add '10' to each side of the equation.
-10 + 10 + 2u2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 2u2 = 0 + 10
2u2 = 0 + 10

Combine like terms: 0 + 10 = 10
2u2 = 10

Divide each side by '2'.
u2 = 5

Simplifying
u2 = 5

Take the square root of each side:
u = {-2.236067978, 2.236067978}