u(2+u)-2u=16

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Solution for u(2+u)-2u=16 equation: 


Simplifying
u(2 + u) + -2u = 16
(2 * u + u * u) + -2u = 16
(2u + u2) + -2u = 16

Reorder the terms:
2u + -2u + u2 = 16

Combine like terms: 2u + -2u = 0
0 + u2 = 16
u2 = 16

Solving
u2 = 16

Solving for variable 'u'.

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

Simplifying
u2 = 16

Take the square root of each side:
u = {-4, 4}

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