x^2+191x-2669.225=0

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Solution for x^2+191x-2669.225=0 equation:


Simplifying
x2 + 191x + -2669.225 = 0

Reorder the terms:
-2669.225 + 191x + x2 = 0

Solving
-2669.225 + 191x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '2669.225' to each side of the equation.
-2669.225 + 191x + 2669.225 + x2 = 0 + 2669.225

Reorder the terms:
-2669.225 + 2669.225 + 191x + x2 = 0 + 2669.225

Combine like terms: -2669.225 + 2669.225 = 0.000
0.000 + 191x + x2 = 0 + 2669.225
191x + x2 = 0 + 2669.225

Combine like terms: 0 + 2669.225 = 2669.225
191x + x2 = 2669.225

The x term is 191x.  Take half its coefficient (95.5).
Square it (9120.25) and add it to both sides.

Add '9120.25' to each side of the equation.
191x + 9120.25 + x2 = 2669.225 + 9120.25

Reorder the terms:
9120.25 + 191x + x2 = 2669.225 + 9120.25

Combine like terms: 2669.225 + 9120.25 = 11789.475
9120.25 + 191x + x2 = 11789.475

Factor a perfect square on the left side:
(x + 95.5)(x + 95.5) = 11789.475

Calculate the square root of the right side: 108.579348865

Break this problem into two subproblems by setting 
(x + 95.5) equal to 108.579348865 and -108.579348865.

Subproblem 1

x + 95.5 = 108.579348865 Simplifying x + 95.5 = 108.579348865 Reorder the terms: 95.5 + x = 108.579348865 Solving 95.5 + x = 108.579348865 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-95.5' to each side of the equation. 95.5 + -95.5 + x = 108.579348865 + -95.5 Combine like terms: 95.5 + -95.5 = 0.0 0.0 + x = 108.579348865 + -95.5 x = 108.579348865 + -95.5 Combine like terms: 108.579348865 + -95.5 = 13.079348865 x = 13.079348865 Simplifying x = 13.079348865

Subproblem 2

x + 95.5 = -108.579348865 Simplifying x + 95.5 = -108.579348865 Reorder the terms: 95.5 + x = -108.579348865 Solving 95.5 + x = -108.579348865 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-95.5' to each side of the equation. 95.5 + -95.5 + x = -108.579348865 + -95.5 Combine like terms: 95.5 + -95.5 = 0.0 0.0 + x = -108.579348865 + -95.5 x = -108.579348865 + -95.5 Combine like terms: -108.579348865 + -95.5 = -204.079348865 x = -204.079348865 Simplifying x = -204.079348865

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.079348865, -204.079348865}

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