s^2+14s+2=0

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


Simplifying
s2 + 14s + 2 = 0

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

Solving
2 + 14s + s2 = 0

Solving for variable 's'.

Begin completing the square.

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + 14s + -2 + s2 = 0 + -2

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

Combine like terms: 2 + -2 = 0
0 + 14s + s2 = 0 + -2
14s + s2 = 0 + -2

Combine like terms: 0 + -2 = -2
14s + s2 = -2

The s term is 14s.  Take half its coefficient (7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
14s + 49 + s2 = -2 + 49

Reorder the terms:
49 + 14s + s2 = -2 + 49

Combine like terms: -2 + 49 = 47
49 + 14s + s2 = 47

Factor a perfect square on the left side:
(s + 7)(s + 7) = 47

Calculate the square root of the right side: 6.8556546

Break this problem into two subproblems by setting 
(s + 7) equal to 6.8556546 and -6.8556546.

Subproblem 1

s + 7 = 6.8556546 Simplifying s + 7 = 6.8556546 Reorder the terms: 7 + s = 6.8556546 Solving 7 + s = 6.8556546 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + s = 6.8556546 + -7 Combine like terms: 7 + -7 = 0 0 + s = 6.8556546 + -7 s = 6.8556546 + -7 Combine like terms: 6.8556546 + -7 = -0.1443454 s = -0.1443454 Simplifying s = -0.1443454

Subproblem 2

s + 7 = -6.8556546 Simplifying s + 7 = -6.8556546 Reorder the terms: 7 + s = -6.8556546 Solving 7 + s = -6.8556546 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + s = -6.8556546 + -7 Combine like terms: 7 + -7 = 0 0 + s = -6.8556546 + -7 s = -6.8556546 + -7 Combine like terms: -6.8556546 + -7 = -13.8556546 s = -13.8556546 Simplifying s = -13.8556546

Solution

The solution to the problem is based on the solutions from the subproblems. s = {-0.1443454, -13.8556546}

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