121w^2-400=0

Solution for 121w^2-400=0 equation:

Simplifying
121w2 + -400 = 0

Reorder the terms:
-400 + 121w2 = 0

Solving
-400 + 121w2 = 0

Solving for variable 'w'.

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

Add '400' to each side of the equation.
-400 + 400 + 121w2 = 0 + 400

Combine like terms: -400 + 400 = 0
0 + 121w2 = 0 + 400
121w2 = 0 + 400

Combine like terms: 0 + 400 = 400
121w2 = 400

Divide each side by '121'.
w2 = 3.305785124

Simplifying
w2 = 3.305785124

Take the square root of each side:
w = {-1.818181818, 1.818181818}