49k^2+21k+2=0

Solution for 49k^2+21k+2=0 equation:

Simplifying
49k2 + 21k + 2 = 0

Reorder the terms:
2 + 21k + 49k2 = 0

Solving
2 + 21k + 49k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(2 + 7k)(1 + 7k) = 0

Subproblem 1
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
Subproblem 2
Set the factor '(1 + 7k)' equal to zero and attempt to solve:

Simplifying
1 + 7k = 0

Solving
1 + 7k = 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 + 7k = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 7k = 0 + -1
7k = 0 + -1

Combine like terms: 0 + -1 = -1
7k = -1

Divide each side by '7'.
k = -0.1428571429

Simplifying
k = -0.1428571429
Solution
k = {-0.2857142857, -0.1428571429}