w^2+36=81

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Solution for w^2+36=81 equation: 


Simplifying
w2 + 36 = 81

Reorder the terms:
36 + w2 = 81

Solving
36 + w2 = 81

Solving for variable 'w'.

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

Add '-36' to each side of the equation.
36 + -36 + w2 = 81 + -36

Combine like terms: 36 + -36 = 0
0 + w2 = 81 + -36
w2 = 81 + -36

Combine like terms: 81 + -36 = 45
w2 = 45

Simplifying
w2 = 45

Take the square root of each side:
w = {-6.708203933, 6.708203933}

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