s^2+22s=27

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Solution for s^2+22s=27 equation:


Simplifying
s2 + 22s = 27

Reorder the terms:
22s + s2 = 27

Solving
22s + s2 = 27

Solving for variable 's'.

Reorder the terms:
-27 + 22s + s2 = 27 + -27

Combine like terms: 27 + -27 = 0
-27 + 22s + s2 = 0

Begin completing the square.

Move the constant term to the right:

Add '27' to each side of the equation.
-27 + 22s + 27 + s2 = 0 + 27

Reorder the terms:
-27 + 27 + 22s + s2 = 0 + 27

Combine like terms: -27 + 27 = 0
0 + 22s + s2 = 0 + 27
22s + s2 = 0 + 27

Combine like terms: 0 + 27 = 27
22s + s2 = 27

The s term is 22s.  Take half its coefficient (11).
Square it (121) and add it to both sides.

Add '121' to each side of the equation.
22s + 121 + s2 = 27 + 121

Reorder the terms:
121 + 22s + s2 = 27 + 121

Combine like terms: 27 + 121 = 148
121 + 22s + s2 = 148

Factor a perfect square on the left side:
(s + 11)(s + 11) = 148

Calculate the square root of the right side: 12.165525061

Break this problem into two subproblems by setting 
(s + 11) equal to 12.165525061 and -12.165525061.

Subproblem 1

s + 11 = 12.165525061 Simplifying s + 11 = 12.165525061 Reorder the terms: 11 + s = 12.165525061 Solving 11 + s = 12.165525061 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + s = 12.165525061 + -11 Combine like terms: 11 + -11 = 0 0 + s = 12.165525061 + -11 s = 12.165525061 + -11 Combine like terms: 12.165525061 + -11 = 1.165525061 s = 1.165525061 Simplifying s = 1.165525061

Subproblem 2

s + 11 = -12.165525061 Simplifying s + 11 = -12.165525061 Reorder the terms: 11 + s = -12.165525061 Solving 11 + s = -12.165525061 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + s = -12.165525061 + -11 Combine like terms: 11 + -11 = 0 0 + s = -12.165525061 + -11 s = -12.165525061 + -11 Combine like terms: -12.165525061 + -11 = -23.165525061 s = -23.165525061 Simplifying s = -23.165525061

Solution

The solution to the problem is based on the solutions from the subproblems. s = {1.165525061, -23.165525061}

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