w^2+9-18=0

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Solution for w^2+9-18=0 equation: 


Simplifying
w2 + 9 + -18 = 0

Reorder the terms:
9 + -18 + w2 = 0

Combine like terms: 9 + -18 = -9
-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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