x^2-62x-9=0

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Solution for x^2-62x-9=0 equation:


Simplifying
x2 + -62x + -9 = 0

Reorder the terms:
-9 + -62x + x2 = 0

Solving
-9 + -62x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '9' to each side of the equation.
-9 + -62x + 9 + x2 = 0 + 9

Reorder the terms:
-9 + 9 + -62x + x2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -62x + x2 = 0 + 9
-62x + x2 = 0 + 9

Combine like terms: 0 + 9 = 9
-62x + x2 = 9

The x term is -62x.  Take half its coefficient (-31).
Square it (961) and add it to both sides.

Add '961' to each side of the equation.
-62x + 961 + x2 = 9 + 961

Reorder the terms:
961 + -62x + x2 = 9 + 961

Combine like terms: 9 + 961 = 970
961 + -62x + x2 = 970

Factor a perfect square on the left side:
(x + -31)(x + -31) = 970

Calculate the square root of the right side: 31.144823005

Break this problem into two subproblems by setting 
(x + -31) equal to 31.144823005 and -31.144823005.

Subproblem 1

x + -31 = 31.144823005 Simplifying x + -31 = 31.144823005 Reorder the terms: -31 + x = 31.144823005 Solving -31 + x = 31.144823005 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '31' to each side of the equation. -31 + 31 + x = 31.144823005 + 31 Combine like terms: -31 + 31 = 0 0 + x = 31.144823005 + 31 x = 31.144823005 + 31 Combine like terms: 31.144823005 + 31 = 62.144823005 x = 62.144823005 Simplifying x = 62.144823005

Subproblem 2

x + -31 = -31.144823005 Simplifying x + -31 = -31.144823005 Reorder the terms: -31 + x = -31.144823005 Solving -31 + x = -31.144823005 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '31' to each side of the equation. -31 + 31 + x = -31.144823005 + 31 Combine like terms: -31 + 31 = 0 0 + x = -31.144823005 + 31 x = -31.144823005 + 31 Combine like terms: -31.144823005 + 31 = -0.144823005 x = -0.144823005 Simplifying x = -0.144823005

Solution

The solution to the problem is based on the solutions from the subproblems. x = {62.144823005, -0.144823005}

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