28k^2+13k-6=

Solution for 28k^2+13k-6= equation:

Simplifying
28k2 + 13k + -6 = 0

Reorder the terms:
-6 + 13k + 28k2 = 0

Solving
-6 + 13k + 28k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(-3 + -4k)(2 + -7k) = 0

Subproblem 1
Set the factor '(-3 + -4k)' equal to zero and attempt to solve:

Simplifying
-3 + -4k = 0

Solving
-3 + -4k = 0

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

Add '3' to each side of the equation.
-3 + 3 + -4k = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -4k = 0 + 3
-4k = 0 + 3

Combine like terms: 0 + 3 = 3
-4k = 3

Divide each side by '-4'.
k = -0.75

Simplifying
k = -0.75
Subproblem 2
Set the factor '(2 + -7k)' equal to zero and attempt to solve:

Simplifying
2 + -7k = 0

Solving
2 + -7k = 0

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

Add '-2' to each side of the equation.
2 + -2 + -7k = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -7k = 0 + -2
-7k = 0 + -2

Combine like terms: 0 + -2 = -2
-7k = -2

Divide each side by '-7'.
k = 0.2857142857

Simplifying
k = 0.2857142857
Solution
k = {-0.75, 0.2857142857}