12=3k^2

Solution for 12=3k^2 equation:

Simplifying
12 = 3k2

Solving
12 = 3k2

Solving for variable 'k'.

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

Add '-3k2' to each side of the equation.
12 + -3k2 = 3k2 + -3k2

Combine like terms: 3k2 + -3k2 = 0
12 + -3k2 = 0

Add '-12' to each side of the equation.
12 + -12 + -3k2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -3k2 = 0 + -12
-3k2 = 0 + -12

Combine like terms: 0 + -12 = -12
-3k2 = -12

Divide each side by '-3'.
k2 = 4

Simplifying
k2 = 4

Take the square root of each side:
k = {-2, 2}