s^2-14s=-19

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Solution for s^2-14s=-19 equation:


Simplifying
s2 + -14s = -19

Reorder the terms:
-14s + s2 = -19

Solving
-14s + s2 = -19

Solving for variable 's'.

Reorder the terms:
19 + -14s + s2 = -19 + 19

Combine like terms: -19 + 19 = 0
19 + -14s + s2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-19' to each side of the equation.
19 + -14s + -19 + s2 = 0 + -19

Reorder the terms:
19 + -19 + -14s + s2 = 0 + -19

Combine like terms: 19 + -19 = 0
0 + -14s + s2 = 0 + -19
-14s + s2 = 0 + -19

Combine like terms: 0 + -19 = -19
-14s + s2 = -19

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 = -19 + 49

Reorder the terms:
49 + -14s + s2 = -19 + 49

Combine like terms: -19 + 49 = 30
49 + -14s + s2 = 30

Factor a perfect square on the left side:
(s + -7)(s + -7) = 30

Calculate the square root of the right side: 5.477225575

Break this problem into two subproblems by setting 
(s + -7) equal to 5.477225575 and -5.477225575.

Subproblem 1

s + -7 = 5.477225575 Simplifying s + -7 = 5.477225575 Reorder the terms: -7 + s = 5.477225575 Solving -7 + s = 5.477225575 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 = 5.477225575 + 7 Combine like terms: -7 + 7 = 0 0 + s = 5.477225575 + 7 s = 5.477225575 + 7 Combine like terms: 5.477225575 + 7 = 12.477225575 s = 12.477225575 Simplifying s = 12.477225575

Subproblem 2

s + -7 = -5.477225575 Simplifying s + -7 = -5.477225575 Reorder the terms: -7 + s = -5.477225575 Solving -7 + s = -5.477225575 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 = -5.477225575 + 7 Combine like terms: -7 + 7 = 0 0 + s = -5.477225575 + 7 s = -5.477225575 + 7 Combine like terms: -5.477225575 + 7 = 1.522774425 s = 1.522774425 Simplifying s = 1.522774425

Solution

The solution to the problem is based on the solutions from the subproblems. s = {12.477225575, 1.522774425}

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