u^2+39u=0

Solution for u^2+39u=0 equation:

Simplifying
u2 + 39u = 0

Reorder the terms:
39u + u2 = 0

Solving
39u + u2 = 0

Solving for variable 'u'.

Factor out the Greatest Common Factor (GCF), 'u'.
u(39 + u) = 0

Subproblem 1
Set the factor 'u' equal to zero and attempt to solve:

Simplifying
u = 0

Solving
u = 0

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

Simplifying
u = 0
Subproblem 2
Set the factor '(39 + u)' equal to zero and attempt to solve:

Simplifying
39 + u = 0

Solving
39 + u = 0

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

Add '-39' to each side of the equation.
39 + -39 + u = 0 + -39

Combine like terms: 39 + -39 = 0
0 + u = 0 + -39
u = 0 + -39

Combine like terms: 0 + -39 = -39
u = -39

Simplifying
u = -39
Solution
u = {0, -39}