k^2+20k+19=0

Solution for k^2+20k+19=0 equation:

Simplifying
k2 + 20k + 19 = 0

Reorder the terms:
19 + 20k + k2 = 0

Solving
19 + 20k + k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(19 + k)(1 + k) = 0

Subproblem 1
Set the factor '(19 + k)' equal to zero and attempt to solve:

Simplifying
19 + k = 0

Solving
19 + k = 0

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

Add '-19' to each side of the equation.
19 + -19 + k = 0 + -19

Combine like terms: 19 + -19 = 0
0 + k = 0 + -19
k = 0 + -19

Combine like terms: 0 + -19 = -19
k = -19

Simplifying
k = -19
Subproblem 2
Set the factor '(1 + k)' equal to zero and attempt to solve:

Simplifying
1 + k = 0

Solving
1 + k = 0

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

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

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

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

Simplifying
k = -1
Solution
k = {-19, -1}