81v^2-16=

Solution for 81v^2-16= equation:

Simplifying
81v2 + -16 = 0

Reorder the terms:
-16 + 81v2 = 0

Solving
-16 + 81v2 = 0

Solving for variable 'v'.

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

Add '16' to each side of the equation.
-16 + 16 + 81v2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 81v2 = 0 + 16
81v2 = 0 + 16

Combine like terms: 0 + 16 = 16
81v2 = 16

Divide each side by '81'.
v2 = 0.1975308642

Simplifying
v2 = 0.1975308642

Take the square root of each side:
v = {-0.444444444, 0.444444444}