s^2+6s=2

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Solution for s^2+6s=2 equation:


Simplifying
s2 + 6s = 2

Reorder the terms:
6s + s2 = 2

Solving
6s + s2 = 2

Solving for variable 's'.

Reorder the terms:
-2 + 6s + s2 = 2 + -2

Combine like terms: 2 + -2 = 0
-2 + 6s + s2 = 0

Begin completing the square.

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + 6s + 2 + s2 = 0 + 2

Reorder the terms:
-2 + 2 + 6s + s2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 6s + s2 = 0 + 2
6s + s2 = 0 + 2

Combine like terms: 0 + 2 = 2
6s + s2 = 2

The s term is 6s.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6s + 9 + s2 = 2 + 9

Reorder the terms:
9 + 6s + s2 = 2 + 9

Combine like terms: 2 + 9 = 11
9 + 6s + s2 = 11

Factor a perfect square on the left side:
(s + 3)(s + 3) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(s + 3) equal to 3.31662479 and -3.31662479.

Subproblem 1

s + 3 = 3.31662479 Simplifying s + 3 = 3.31662479 Reorder the terms: 3 + s = 3.31662479 Solving 3 + s = 3.31662479 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + s = 3.31662479 + -3 Combine like terms: 3 + -3 = 0 0 + s = 3.31662479 + -3 s = 3.31662479 + -3 Combine like terms: 3.31662479 + -3 = 0.31662479 s = 0.31662479 Simplifying s = 0.31662479

Subproblem 2

s + 3 = -3.31662479 Simplifying s + 3 = -3.31662479 Reorder the terms: 3 + s = -3.31662479 Solving 3 + s = -3.31662479 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + s = -3.31662479 + -3 Combine like terms: 3 + -3 = 0 0 + s = -3.31662479 + -3 s = -3.31662479 + -3 Combine like terms: -3.31662479 + -3 = -6.31662479 s = -6.31662479 Simplifying s = -6.31662479

Solution

The solution to the problem is based on the solutions from the subproblems. s = {0.31662479, -6.31662479}

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