(w^2-9)=0

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Solution for (w^2-9)=0 equation:


Simplifying
(w2 + -9) = 0

Reorder the terms:
(-9 + w2) = 0

Remove parenthesis around (-9 + w2)
-9 + w2 = 0

Solving
-9 + w2 = 0

Solving for variable 'w'.

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

Add '9' to each side of the equation.
-9 + 9 + w2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + w2 = 0 + 9
w2 = 0 + 9

Combine like terms: 0 + 9 = 9
w2 = 9

Simplifying
w2 = 9

Take the square root of each side:
w = {-3, 3}

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