w^2-40=

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Solution for w^2-40= equation: 


Simplifying
w2 + -40 = 0

Reorder the terms:
-40 + w2 = 0

Solving
-40 + w2 = 0

Solving for variable 'w'.

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

Add '40' to each side of the equation.
-40 + 40 + w2 = 0 + 40

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

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

Simplifying
w2 = 40

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

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