(u)(7u)=

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Solution for (u)(7u)= equation: 


Simplifying
(u)(7u) = 0

Remove parenthesis around (7u)
u * 7u = 0

Reorder the terms for easier multiplication:
7u * u = 0

Multiply u * u
7u2 = 0

Solving
7u2 = 0

Solving for variable 'u'.

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

Divide each side by '7'.
u2 = 0

Simplifying
u2 = 0

Take the square root of each side:
u = {0}

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