0=3v^2-81

Solution for 0=3v^2-81 equation:

Simplifying
0 = 3v2 + -81

Reorder the terms:
0 = -81 + 3v2

Solving
0 = -81 + 3v2

Solving for variable 'v'.

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

Add '-3v2' to each side of the equation.
0 + -3v2 = -81 + 3v2 + -3v2
Remove the zero:
-3v2 = -81 + 3v2 + -3v2

Combine like terms: 3v2 + -3v2 = 0
-3v2 = -81 + 0
-3v2 = -81

Divide each side by '-3'.
v2 = 27

Simplifying
v2 = 27

Take the square root of each side:
v = {-5.196152423, 5.196152423}