4k^2+15k+11=0

Solution for 4k^2+15k+11=0 equation:

Simplifying
4k2 + 15k + 11 = 0

Reorder the terms:
11 + 15k + 4k2 = 0

Solving
11 + 15k + 4k2 = 0

Solving for variable 'k'.

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

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

Simplifying
11 + 4k = 0

Solving
11 + 4k = 0

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

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

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

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

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

Simplifying
k = -2.75
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 = {-2.75, -1}