x^2-20x-533=0

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Solution for x^2-20x-533=0 equation:


Simplifying
x2 + -20x + -533 = 0

Reorder the terms:
-533 + -20x + x2 = 0

Solving
-533 + -20x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '533' to each side of the equation.
-533 + -20x + 533 + x2 = 0 + 533

Reorder the terms:
-533 + 533 + -20x + x2 = 0 + 533

Combine like terms: -533 + 533 = 0
0 + -20x + x2 = 0 + 533
-20x + x2 = 0 + 533

Combine like terms: 0 + 533 = 533
-20x + x2 = 533

The x term is -20x.  Take half its coefficient (-10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
-20x + 100 + x2 = 533 + 100

Reorder the terms:
100 + -20x + x2 = 533 + 100

Combine like terms: 533 + 100 = 633
100 + -20x + x2 = 633

Factor a perfect square on the left side:
(x + -10)(x + -10) = 633

Calculate the square root of the right side: 25.159491251

Break this problem into two subproblems by setting 
(x + -10) equal to 25.159491251 and -25.159491251.

Subproblem 1

x + -10 = 25.159491251 Simplifying x + -10 = 25.159491251 Reorder the terms: -10 + x = 25.159491251 Solving -10 + x = 25.159491251 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = 25.159491251 + 10 Combine like terms: -10 + 10 = 0 0 + x = 25.159491251 + 10 x = 25.159491251 + 10 Combine like terms: 25.159491251 + 10 = 35.159491251 x = 35.159491251 Simplifying x = 35.159491251

Subproblem 2

x + -10 = -25.159491251 Simplifying x + -10 = -25.159491251 Reorder the terms: -10 + x = -25.159491251 Solving -10 + x = -25.159491251 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = -25.159491251 + 10 Combine like terms: -10 + 10 = 0 0 + x = -25.159491251 + 10 x = -25.159491251 + 10 Combine like terms: -25.159491251 + 10 = -15.159491251 x = -15.159491251 Simplifying x = -15.159491251

Solution

The solution to the problem is based on the solutions from the subproblems. x = {35.159491251, -15.159491251}

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