121x^2-532x+282=0

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Solution for 121x^2-532x+282=0 equation:


Simplifying
121x2 + -532x + 282 = 0

Reorder the terms:
282 + -532x + 121x2 = 0

Solving
282 + -532x + 121x2 = 0

Solving for variable 'x'.

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

Divide each side by '121'.
2.330578512 + -4.396694215x + x2 = 0

Move the constant term to the right:

Add '-2.330578512' to each side of the equation.
2.330578512 + -4.396694215x + -2.330578512 + x2 = 0 + -2.330578512

Reorder the terms:
2.330578512 + -2.330578512 + -4.396694215x + x2 = 0 + -2.330578512

Combine like terms: 2.330578512 + -2.330578512 = 0.000000000
0.000000000 + -4.396694215x + x2 = 0 + -2.330578512
-4.396694215x + x2 = 0 + -2.330578512

Combine like terms: 0 + -2.330578512 = -2.330578512
-4.396694215x + x2 = -2.330578512

The x term is -4.396694215x.  Take half its coefficient (-2.198347108).
Square it (4.832730007) and add it to both sides.

Add '4.832730007' to each side of the equation.
-4.396694215x + 4.832730007 + x2 = -2.330578512 + 4.832730007

Reorder the terms:
4.832730007 + -4.396694215x + x2 = -2.330578512 + 4.832730007

Combine like terms: -2.330578512 + 4.832730007 = 2.502151495
4.832730007 + -4.396694215x + x2 = 2.502151495

Factor a perfect square on the left side:
(x + -2.198347108)(x + -2.198347108) = 2.502151495

Calculate the square root of the right side: 1.581819046

Break this problem into two subproblems by setting 
(x + -2.198347108) equal to 1.581819046 and -1.581819046.

Subproblem 1

x + -2.198347108 = 1.581819046 Simplifying x + -2.198347108 = 1.581819046 Reorder the terms: -2.198347108 + x = 1.581819046 Solving -2.198347108 + x = 1.581819046 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.198347108' to each side of the equation. -2.198347108 + 2.198347108 + x = 1.581819046 + 2.198347108 Combine like terms: -2.198347108 + 2.198347108 = 0.000000000 0.000000000 + x = 1.581819046 + 2.198347108 x = 1.581819046 + 2.198347108 Combine like terms: 1.581819046 + 2.198347108 = 3.780166154 x = 3.780166154 Simplifying x = 3.780166154

Subproblem 2

x + -2.198347108 = -1.581819046 Simplifying x + -2.198347108 = -1.581819046 Reorder the terms: -2.198347108 + x = -1.581819046 Solving -2.198347108 + x = -1.581819046 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.198347108' to each side of the equation. -2.198347108 + 2.198347108 + x = -1.581819046 + 2.198347108 Combine like terms: -2.198347108 + 2.198347108 = 0.000000000 0.000000000 + x = -1.581819046 + 2.198347108 x = -1.581819046 + 2.198347108 Combine like terms: -1.581819046 + 2.198347108 = 0.616528062 x = 0.616528062 Simplifying x = 0.616528062

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.780166154, 0.616528062}

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