2x^2-264x+989=0

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Solution for 2x^2-264x+989=0 equation:


Simplifying
2x2 + -264x + 989 = 0

Reorder the terms:
989 + -264x + 2x2 = 0

Solving
989 + -264x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
494.5 + -132x + x2 = 0

Move the constant term to the right:

Add '-494.5' to each side of the equation.
494.5 + -132x + -494.5 + x2 = 0 + -494.5

Reorder the terms:
494.5 + -494.5 + -132x + x2 = 0 + -494.5

Combine like terms: 494.5 + -494.5 = 0.0
0.0 + -132x + x2 = 0 + -494.5
-132x + x2 = 0 + -494.5

Combine like terms: 0 + -494.5 = -494.5
-132x + x2 = -494.5

The x term is -132x.  Take half its coefficient (-66).
Square it (4356) and add it to both sides.

Add '4356' to each side of the equation.
-132x + 4356 + x2 = -494.5 + 4356

Reorder the terms:
4356 + -132x + x2 = -494.5 + 4356

Combine like terms: -494.5 + 4356 = 3861.5
4356 + -132x + x2 = 3861.5

Factor a perfect square on the left side:
(x + -66)(x + -66) = 3861.5

Calculate the square root of the right side: 62.140968773

Break this problem into two subproblems by setting 
(x + -66) equal to 62.140968773 and -62.140968773.

Subproblem 1

x + -66 = 62.140968773 Simplifying x + -66 = 62.140968773 Reorder the terms: -66 + x = 62.140968773 Solving -66 + x = 62.140968773 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '66' to each side of the equation. -66 + 66 + x = 62.140968773 + 66 Combine like terms: -66 + 66 = 0 0 + x = 62.140968773 + 66 x = 62.140968773 + 66 Combine like terms: 62.140968773 + 66 = 128.140968773 x = 128.140968773 Simplifying x = 128.140968773

Subproblem 2

x + -66 = -62.140968773 Simplifying x + -66 = -62.140968773 Reorder the terms: -66 + x = -62.140968773 Solving -66 + x = -62.140968773 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '66' to each side of the equation. -66 + 66 + x = -62.140968773 + 66 Combine like terms: -66 + 66 = 0 0 + x = -62.140968773 + 66 x = -62.140968773 + 66 Combine like terms: -62.140968773 + 66 = 3.859031227 x = 3.859031227 Simplifying x = 3.859031227

Solution

The solution to the problem is based on the solutions from the subproblems. x = {128.140968773, 3.859031227}

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