s^2+18s-19=0

Solution for s^2+18s-19=0 equation:

Simplifying
s2 + 18s + -19 = 0

Reorder the terms:
-19 + 18s + s2 = 0

Solving
-19 + 18s + s2 = 0

Solving for variable 's'.

Factor a trinomial.
(-19 + -1s)(1 + -1s) = 0

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

Simplifying
-19 + -1s = 0

Solving
-19 + -1s = 0

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

Add '19' to each side of the equation.
-19 + 19 + -1s = 0 + 19

Combine like terms: -19 + 19 = 0
0 + -1s = 0 + 19
-1s = 0 + 19

Combine like terms: 0 + 19 = 19
-1s = 19

Divide each side by '-1'.
s = -19

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

Simplifying
1 + -1s = 0

Solving
1 + -1s = 0

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

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

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

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

Divide each side by '-1'.
s = 1

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