(3w^2)-9=0

Solution for (3w^2)-9=0 equation:

Simplifying
(3w2) + -9 = 0

Reorder the terms:
-9 + (3w2) = 0

Solving
-9 + (3w2) = 0

Solving for variable 'w'.

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

Add '9' to each side of the equation.
-9 + 9 + (3w2) = 0 + 9

Combine like terms: -9 + 9 = 0
0 + (3w2) = 0 + 9
(3w2) = 0 + 9

Combine like terms: 0 + 9 = 9
(3w2) = 9

Divide each side by '3'.
w2 = 3

Simplifying
w2 = 3

Take the square root of each side:
w = {-1.732050808, 1.732050808}