49s^2+122s=-64

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Solution for 49s^2+122s=-64 equation:


Simplifying
49s2 + 122s = -64

Reorder the terms:
122s + 49s2 = -64

Solving
122s + 49s2 = -64

Solving for variable 's'.

Reorder the terms:
64 + 122s + 49s2 = -64 + 64

Combine like terms: -64 + 64 = 0
64 + 122s + 49s2 = 0

Begin completing the square.  Divide all terms by
49 the coefficient of the squared term: 

Divide each side by '49'.
1.306122449 + 2.489795918s + s2 = 0

Move the constant term to the right:

Add '-1.306122449' to each side of the equation.
1.306122449 + 2.489795918s + -1.306122449 + s2 = 0 + -1.306122449

Reorder the terms:
1.306122449 + -1.306122449 + 2.489795918s + s2 = 0 + -1.306122449

Combine like terms: 1.306122449 + -1.306122449 = 0.000000000
0.000000000 + 2.489795918s + s2 = 0 + -1.306122449
2.489795918s + s2 = 0 + -1.306122449

Combine like terms: 0 + -1.306122449 = -1.306122449
2.489795918s + s2 = -1.306122449

The s term is 2.489795918s.  Take half its coefficient (1.244897959).
Square it (1.549770928) and add it to both sides.

Add '1.549770928' to each side of the equation.
2.489795918s + 1.549770928 + s2 = -1.306122449 + 1.549770928

Reorder the terms:
1.549770928 + 2.489795918s + s2 = -1.306122449 + 1.549770928

Combine like terms: -1.306122449 + 1.549770928 = 0.243648479
1.549770928 + 2.489795918s + s2 = 0.243648479

Factor a perfect square on the left side:
(s + 1.244897959)(s + 1.244897959) = 0.243648479

Calculate the square root of the right side: 0.493607616

Break this problem into two subproblems by setting 
(s + 1.244897959) equal to 0.493607616 and -0.493607616.

Subproblem 1

s + 1.244897959 = 0.493607616 Simplifying s + 1.244897959 = 0.493607616 Reorder the terms: 1.244897959 + s = 0.493607616 Solving 1.244897959 + s = 0.493607616 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-1.244897959' to each side of the equation. 1.244897959 + -1.244897959 + s = 0.493607616 + -1.244897959 Combine like terms: 1.244897959 + -1.244897959 = 0.000000000 0.000000000 + s = 0.493607616 + -1.244897959 s = 0.493607616 + -1.244897959 Combine like terms: 0.493607616 + -1.244897959 = -0.751290343 s = -0.751290343 Simplifying s = -0.751290343

Subproblem 2

s + 1.244897959 = -0.493607616 Simplifying s + 1.244897959 = -0.493607616 Reorder the terms: 1.244897959 + s = -0.493607616 Solving 1.244897959 + s = -0.493607616 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-1.244897959' to each side of the equation. 1.244897959 + -1.244897959 + s = -0.493607616 + -1.244897959 Combine like terms: 1.244897959 + -1.244897959 = 0.000000000 0.000000000 + s = -0.493607616 + -1.244897959 s = -0.493607616 + -1.244897959 Combine like terms: -0.493607616 + -1.244897959 = -1.738505575 s = -1.738505575 Simplifying s = -1.738505575

Solution

The solution to the problem is based on the solutions from the subproblems. s = {-0.751290343, -1.738505575}

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