s^2+12s+12=8

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Solution for s^2+12s+12=8 equation:


Simplifying
s2 + 12s + 12 = 8

Reorder the terms:
12 + 12s + s2 = 8

Solving
12 + 12s + s2 = 8

Solving for variable 's'.

Reorder the terms:
12 + -8 + 12s + s2 = 8 + -8

Combine like terms: 12 + -8 = 4
4 + 12s + s2 = 8 + -8

Combine like terms: 8 + -8 = 0
4 + 12s + s2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + 12s + -4 + s2 = 0 + -4

Reorder the terms:
4 + -4 + 12s + s2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 12s + s2 = 0 + -4
12s + s2 = 0 + -4

Combine like terms: 0 + -4 = -4
12s + s2 = -4

The s term is 12s.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12s + 36 + s2 = -4 + 36

Reorder the terms:
36 + 12s + s2 = -4 + 36

Combine like terms: -4 + 36 = 32
36 + 12s + s2 = 32

Factor a perfect square on the left side:
(s + 6)(s + 6) = 32

Calculate the square root of the right side: 5.656854249

Break this problem into two subproblems by setting 
(s + 6) equal to 5.656854249 and -5.656854249.

Subproblem 1

s + 6 = 5.656854249 Simplifying s + 6 = 5.656854249 Reorder the terms: 6 + s = 5.656854249 Solving 6 + s = 5.656854249 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + s = 5.656854249 + -6 Combine like terms: 6 + -6 = 0 0 + s = 5.656854249 + -6 s = 5.656854249 + -6 Combine like terms: 5.656854249 + -6 = -0.343145751 s = -0.343145751 Simplifying s = -0.343145751

Subproblem 2

s + 6 = -5.656854249 Simplifying s + 6 = -5.656854249 Reorder the terms: 6 + s = -5.656854249 Solving 6 + s = -5.656854249 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + s = -5.656854249 + -6 Combine like terms: 6 + -6 = 0 0 + s = -5.656854249 + -6 s = -5.656854249 + -6 Combine like terms: -5.656854249 + -6 = -11.656854249 s = -11.656854249 Simplifying s = -11.656854249

Solution

The solution to the problem is based on the solutions from the subproblems. s = {-0.343145751, -11.656854249}

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