-1(-25+81w^2)=

Solution for -1(-25+81w^2)= equation:

Simplifying
-1(-25 + 81w2) = 0
(-25 * -1 + 81w2 * -1) = 0
(25 + -81w2) = 0

Solving
25 + -81w2 = 0

Solving for variable 'w'.

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

Add '-25' to each side of the equation.
25 + -25 + -81w2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -81w2 = 0 + -25
-81w2 = 0 + -25

Combine like terms: 0 + -25 = -25
-81w2 = -25

Divide each side by '-81'.
w2 = 0.3086419753

Simplifying
w2 = 0.3086419753

Take the square root of each side:
w = {-0.555555556, 0.555555556}