9w^2-9u^2=

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Solution for 9w^2-9u^2= equation: 


Simplifying
9w2 + -9u2 = 0

Reorder the terms:
-9u2 + 9w2 = 0

Solving
-9u2 + 9w2 = 0

Solving for variable 'u'.

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

Add '-9w2' to each side of the equation.
-9u2 + 9w2 + -9w2 = 0 + -9w2

Combine like terms: 9w2 + -9w2 = 0
-9u2 + 0 = 0 + -9w2
-9u2 = 0 + -9w2
Remove the zero:
-9u2 = -9w2

Divide each side by '-9'.
u2 = w2

Simplifying
u2 = w2

Take the square root of each side:
u = {-1w, w}

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