2k^2+7k-39=0

Solution for 2k^2+7k-39=0 equation:

Simplifying
2k2 + 7k + -39 = 0

Reorder the terms:
-39 + 7k + 2k2 = 0

Solving
-39 + 7k + 2k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(-13 + -2k)(3 + -1k) = 0

Subproblem 1
Set the factor '(-13 + -2k)' equal to zero and attempt to solve:

Simplifying
-13 + -2k = 0

Solving
-13 + -2k = 0

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

Add '13' to each side of the equation.
-13 + 13 + -2k = 0 + 13

Combine like terms: -13 + 13 = 0
0 + -2k = 0 + 13
-2k = 0 + 13

Combine like terms: 0 + 13 = 13
-2k = 13

Divide each side by '-2'.
k = -6.5

Simplifying
k = -6.5
Subproblem 2
Set the factor '(3 + -1k)' equal to zero and attempt to solve:

Simplifying
3 + -1k = 0

Solving
3 + -1k = 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 + -1k = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1k = 0 + -3
-1k = 0 + -3

Combine like terms: 0 + -3 = -3
-1k = -3

Divide each side by '-1'.
k = 3

Simplifying
k = 3
Solution
k = {-6.5, 3}