7k^2+29k-37=0

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Solution for 7k^2+29k-37=0 equation:


Simplifying
7k2 + 29k + -37 = 0

Reorder the terms:
-37 + 29k + 7k2 = 0

Solving
-37 + 29k + 7k2 = 0

Solving for variable 'k'.

Begin completing the square.  Divide all terms by
7 the coefficient of the squared term: 

Divide each side by '7'.
-5.285714286 + 4.142857143k + k2 = 0

Move the constant term to the right:

Add '5.285714286' to each side of the equation.
-5.285714286 + 4.142857143k + 5.285714286 + k2 = 0 + 5.285714286

Reorder the terms:
-5.285714286 + 5.285714286 + 4.142857143k + k2 = 0 + 5.285714286

Combine like terms: -5.285714286 + 5.285714286 = 0.000000000
0.000000000 + 4.142857143k + k2 = 0 + 5.285714286
4.142857143k + k2 = 0 + 5.285714286

Combine like terms: 0 + 5.285714286 = 5.285714286
4.142857143k + k2 = 5.285714286

The k term is 4.142857143k.  Take half its coefficient (2.071428572).
Square it (4.290816329) and add it to both sides.

Add '4.290816329' to each side of the equation.
4.142857143k + 4.290816329 + k2 = 5.285714286 + 4.290816329

Reorder the terms:
4.290816329 + 4.142857143k + k2 = 5.285714286 + 4.290816329

Combine like terms: 5.285714286 + 4.290816329 = 9.576530615
4.290816329 + 4.142857143k + k2 = 9.576530615

Factor a perfect square on the left side:
(k + 2.071428572)(k + 2.071428572) = 9.576530615

Calculate the square root of the right side: 3.094597004

Break this problem into two subproblems by setting 
(k + 2.071428572) equal to 3.094597004 and -3.094597004.

Subproblem 1

k + 2.071428572 = 3.094597004 Simplifying k + 2.071428572 = 3.094597004 Reorder the terms: 2.071428572 + k = 3.094597004 Solving 2.071428572 + k = 3.094597004 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-2.071428572' to each side of the equation. 2.071428572 + -2.071428572 + k = 3.094597004 + -2.071428572 Combine like terms: 2.071428572 + -2.071428572 = 0.000000000 0.000000000 + k = 3.094597004 + -2.071428572 k = 3.094597004 + -2.071428572 Combine like terms: 3.094597004 + -2.071428572 = 1.023168432 k = 1.023168432 Simplifying k = 1.023168432

Subproblem 2

k + 2.071428572 = -3.094597004 Simplifying k + 2.071428572 = -3.094597004 Reorder the terms: 2.071428572 + k = -3.094597004 Solving 2.071428572 + k = -3.094597004 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-2.071428572' to each side of the equation. 2.071428572 + -2.071428572 + k = -3.094597004 + -2.071428572 Combine like terms: 2.071428572 + -2.071428572 = 0.000000000 0.000000000 + k = -3.094597004 + -2.071428572 k = -3.094597004 + -2.071428572 Combine like terms: -3.094597004 + -2.071428572 = -5.166025576 k = -5.166025576 Simplifying k = -5.166025576

Solution

The solution to the problem is based on the solutions from the subproblems. k = {1.023168432, -5.166025576}

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