8c^2+26c+11=0

Solution for 8c^2+26c+11=0 equation:

Simplifying
8c2 + 26c + 11 = 0

Reorder the terms:
11 + 26c + 8c2 = 0

Solving
11 + 26c + 8c2 = 0

Solving for variable 'c'.

Factor a trinomial.
(11 + 4c)(1 + 2c) = 0

Subproblem 1
Set the factor '(11 + 4c)' equal to zero and attempt to solve:

Simplifying
11 + 4c = 0

Solving
11 + 4c = 0

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

Add '-11' to each side of the equation.
11 + -11 + 4c = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 4c = 0 + -11
4c = 0 + -11

Combine like terms: 0 + -11 = -11
4c = -11

Divide each side by '4'.
c = -2.75

Simplifying
c = -2.75
Subproblem 2
Set the factor '(1 + 2c)' equal to zero and attempt to solve:

Simplifying
1 + 2c = 0

Solving
1 + 2c = 0

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

Add '-1' to each side of the equation.
1 + -1 + 2c = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 2c = 0 + -1
2c = 0 + -1

Combine like terms: 0 + -1 = -1
2c = -1

Divide each side by '2'.
c = -0.5

Simplifying
c = -0.5
Solution
c = {-2.75, -0.5}