-2+14s^2+13s=0

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Solution for -2+14s^2+13s=0 equation:


Simplifying
-2 + 14s2 + 13s = 0

Reorder the terms:
-2 + 13s + 14s2 = 0

Solving
-2 + 13s + 14s2 = 0

Solving for variable 's'.

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

Divide each side by '14'.
-0.1428571429 + 0.9285714286s + s2 = 0

Move the constant term to the right:

Add '0.1428571429' to each side of the equation.
-0.1428571429 + 0.9285714286s + 0.1428571429 + s2 = 0 + 0.1428571429

Reorder the terms:
-0.1428571429 + 0.1428571429 + 0.9285714286s + s2 = 0 + 0.1428571429

Combine like terms: -0.1428571429 + 0.1428571429 = 0.0000000000
0.0000000000 + 0.9285714286s + s2 = 0 + 0.1428571429
0.9285714286s + s2 = 0 + 0.1428571429

Combine like terms: 0 + 0.1428571429 = 0.1428571429
0.9285714286s + s2 = 0.1428571429

The s term is 0.9285714286s.  Take half its coefficient (0.4642857143).
Square it (0.2155612245) and add it to both sides.

Add '0.2155612245' to each side of the equation.
0.9285714286s + 0.2155612245 + s2 = 0.1428571429 + 0.2155612245

Reorder the terms:
0.2155612245 + 0.9285714286s + s2 = 0.1428571429 + 0.2155612245

Combine like terms: 0.1428571429 + 0.2155612245 = 0.3584183674
0.2155612245 + 0.9285714286s + s2 = 0.3584183674

Factor a perfect square on the left side:
(s + 0.4642857143)(s + 0.4642857143) = 0.3584183674

Calculate the square root of the right side: 0.598680522

Break this problem into two subproblems by setting 
(s + 0.4642857143) equal to 0.598680522 and -0.598680522.

Subproblem 1

s + 0.4642857143 = 0.598680522 Simplifying s + 0.4642857143 = 0.598680522 Reorder the terms: 0.4642857143 + s = 0.598680522 Solving 0.4642857143 + s = 0.598680522 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-0.4642857143' to each side of the equation. 0.4642857143 + -0.4642857143 + s = 0.598680522 + -0.4642857143 Combine like terms: 0.4642857143 + -0.4642857143 = 0.0000000000 0.0000000000 + s = 0.598680522 + -0.4642857143 s = 0.598680522 + -0.4642857143 Combine like terms: 0.598680522 + -0.4642857143 = 0.1343948077 s = 0.1343948077 Simplifying s = 0.1343948077

Subproblem 2

s + 0.4642857143 = -0.598680522 Simplifying s + 0.4642857143 = -0.598680522 Reorder the terms: 0.4642857143 + s = -0.598680522 Solving 0.4642857143 + s = -0.598680522 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-0.4642857143' to each side of the equation. 0.4642857143 + -0.4642857143 + s = -0.598680522 + -0.4642857143 Combine like terms: 0.4642857143 + -0.4642857143 = 0.0000000000 0.0000000000 + s = -0.598680522 + -0.4642857143 s = -0.598680522 + -0.4642857143 Combine like terms: -0.598680522 + -0.4642857143 = -1.0629662363 s = -1.0629662363 Simplifying s = -1.0629662363

Solution

The solution to the problem is based on the solutions from the subproblems. s = {0.1343948077, -1.0629662363}

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