12y^2-4=

Solution for 12y^2-4= equation:

Simplifying
12y2 + -4 = 0

Reorder the terms:
-4 + 12y2 = 0

Solving
-4 + 12y2 = 0

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + 12y2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 12y2 = 0 + 4
12y2 = 0 + 4

Combine like terms: 0 + 4 = 4
12y2 = 4

Divide each side by '12'.
y2 = 0.3333333333

Simplifying
y2 = 0.3333333333

Take the square root of each side:
y = {-0.577350269, 0.577350269}