3x^2-19683=0

Solution for 3x^2-19683=0 equation:

Simplifying
3x2 + -19683 = 0

Reorder the terms:
-19683 + 3x2 = 0

Solving
-19683 + 3x2 = 0

Solving for variable 'x'.

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

Add '19683' to each side of the equation.
-19683 + 19683 + 3x2 = 0 + 19683

Combine like terms: -19683 + 19683 = 0
0 + 3x2 = 0 + 19683
3x2 = 0 + 19683

Combine like terms: 0 + 19683 = 19683
3x2 = 19683

Divide each side by '3'.
x2 = 6561

Simplifying
x2 = 6561

Take the square root of each side:
x = {-81, 81}