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Simplifying
81w2 + -529 = 0
Reorder the terms:
-529 + 81w2 = 0
Solving
-529 + 81w2 = 0
Solving for variable 'w'.
Move all terms containing w to the left, all other terms to the right.
Add '529' to each side of the equation.
-529 + 529 + 81w2 = 0 + 529
Combine like terms: -529 + 529 = 0
0 + 81w2 = 0 + 529
81w2 = 0 + 529
Combine like terms: 0 + 529 = 529
81w2 = 529
Divide each side by '81'.
w2 = 6.530864198
Simplifying
w2 = 6.530864198
Take the square root of each side:
w = {-2.555555556, 2.555555556}
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