(7u)(-u)=

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


Simplifying
(7u)(-1u) = 0

Remove parenthesis around (7u)
7u(-1u) = 0

Remove parenthesis around (-1u)
7u * -1u = 0

Reorder the terms for easier multiplication:
7 * -1u * u = 0

Multiply 7 * -1
-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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