u^2+19u+18=

Solution for u^2+19u+18= equation:

Simplifying
u2 + 19u + 18 = 0

Reorder the terms:
18 + 19u + u2 = 0

Solving
18 + 19u + u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(18 + u)(1 + u) = 0

Subproblem 1
Set the factor '(18 + u)' equal to zero and attempt to solve:

Simplifying
18 + u = 0

Solving
18 + u = 0

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

Add '-18' to each side of the equation.
18 + -18 + u = 0 + -18

Combine like terms: 18 + -18 = 0
0 + u = 0 + -18
u = 0 + -18

Combine like terms: 0 + -18 = -18
u = -18

Simplifying
u = -18
Subproblem 2
Set the factor '(1 + u)' equal to zero and attempt to solve:

Simplifying
1 + u = 0

Solving
1 + u = 0

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

Add '-1' to each side of the equation.
1 + -1 + u = 0 + -1

Combine like terms: 1 + -1 = 0
0 + u = 0 + -1
u = 0 + -1

Combine like terms: 0 + -1 = -1
u = -1

Simplifying
u = -1
Solution
u = {-18, -1}