11x^2-260x-624=0

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Solution for 11x^2-260x-624=0 equation:


Simplifying
11x2 + -260x + -624 = 0

Reorder the terms:
-624 + -260x + 11x2 = 0

Solving
-624 + -260x + 11x2 = 0

Solving for variable 'x'.

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

Divide each side by '11'.
-56.72727273 + -23.63636364x + x2 = 0

Move the constant term to the right:

Add '56.72727273' to each side of the equation.
-56.72727273 + -23.63636364x + 56.72727273 + x2 = 0 + 56.72727273

Reorder the terms:
-56.72727273 + 56.72727273 + -23.63636364x + x2 = 0 + 56.72727273

Combine like terms: -56.72727273 + 56.72727273 = 0.00000000
0.00000000 + -23.63636364x + x2 = 0 + 56.72727273
-23.63636364x + x2 = 0 + 56.72727273

Combine like terms: 0 + 56.72727273 = 56.72727273
-23.63636364x + x2 = 56.72727273

The x term is -23.63636364x.  Take half its coefficient (-11.81818182).
Square it (139.6694215) and add it to both sides.

Add '139.6694215' to each side of the equation.
-23.63636364x + 139.6694215 + x2 = 56.72727273 + 139.6694215

Reorder the terms:
139.6694215 + -23.63636364x + x2 = 56.72727273 + 139.6694215

Combine like terms: 56.72727273 + 139.6694215 = 196.39669423
139.6694215 + -23.63636364x + x2 = 196.39669423

Factor a perfect square on the left side:
(x + -11.81818182)(x + -11.81818182) = 196.39669423

Calculate the square root of the right side: 14.01416049

Break this problem into two subproblems by setting 
(x + -11.81818182) equal to 14.01416049 and -14.01416049.

Subproblem 1

x + -11.81818182 = 14.01416049 Simplifying x + -11.81818182 = 14.01416049 Reorder the terms: -11.81818182 + x = 14.01416049 Solving -11.81818182 + x = 14.01416049 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.81818182' to each side of the equation. -11.81818182 + 11.81818182 + x = 14.01416049 + 11.81818182 Combine like terms: -11.81818182 + 11.81818182 = 0.00000000 0.00000000 + x = 14.01416049 + 11.81818182 x = 14.01416049 + 11.81818182 Combine like terms: 14.01416049 + 11.81818182 = 25.83234231 x = 25.83234231 Simplifying x = 25.83234231

Subproblem 2

x + -11.81818182 = -14.01416049 Simplifying x + -11.81818182 = -14.01416049 Reorder the terms: -11.81818182 + x = -14.01416049 Solving -11.81818182 + x = -14.01416049 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.81818182' to each side of the equation. -11.81818182 + 11.81818182 + x = -14.01416049 + 11.81818182 Combine like terms: -11.81818182 + 11.81818182 = 0.00000000 0.00000000 + x = -14.01416049 + 11.81818182 x = -14.01416049 + 11.81818182 Combine like terms: -14.01416049 + 11.81818182 = -2.19597867 x = -2.19597867 Simplifying x = -2.19597867

Solution

The solution to the problem is based on the solutions from the subproblems. x = {25.83234231, -2.19597867}

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