2a^2+2=12

Solution for 2a^2+2=12 equation:

Simplifying
2a2 + 2 = 12

Reorder the terms:
2 + 2a2 = 12

Solving
2 + 2a2 = 12

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 2a2 = 12 + -2

Combine like terms: 2 + -2 = 0
0 + 2a2 = 12 + -2
2a2 = 12 + -2

Combine like terms: 12 + -2 = 10
2a2 = 10

Divide each side by '2'.
a2 = 5

Simplifying
a2 = 5

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