9u^2-4w^2=

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Solution for 9u^2-4w^2= equation: 


Simplifying
9u2 + -4w2 = 0

Solving
9u2 + -4w2 = 0

Solving for variable 'u'.

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

Add '4w2' to each side of the equation.
9u2 + -4w2 + 4w2 = 0 + 4w2

Combine like terms: -4w2 + 4w2 = 0
9u2 + 0 = 0 + 4w2
9u2 = 0 + 4w2
Remove the zero:
9u2 = 4w2

Divide each side by '9'.
u2 = 0.4444444444w2

Simplifying
u2 = 0.4444444444w2

Take the square root of each side:
u = {-0.666666667w, 0.666666667w}

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