0=w^2-40

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Solution for 0=w^2-40 equation: 


Simplifying
0 = w2 + -40

Reorder the terms:
0 = -40 + w2

Solving
0 = -40 + w2

Solving for variable 'w'.

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

Add '-1w2' to each side of the equation.
0 + -1w2 = -40 + w2 + -1w2
Remove the zero:
-1w2 = -40 + w2 + -1w2

Combine like terms: w2 + -1w2 = 0
-1w2 = -40 + 0
-1w2 = -40

Divide each side by '-1'.
w2 = 40

Simplifying
w2 = 40

Take the square root of each side:
w = {-6.32455532, 6.32455532}

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