x^2-23x+63=0

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Solution for x^2-23x+63=0 equation:


Simplifying
x2 + -23x + 63 = 0

Reorder the terms:
63 + -23x + x2 = 0

Solving
63 + -23x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-63' to each side of the equation.
63 + -23x + -63 + x2 = 0 + -63

Reorder the terms:
63 + -63 + -23x + x2 = 0 + -63

Combine like terms: 63 + -63 = 0
0 + -23x + x2 = 0 + -63
-23x + x2 = 0 + -63

Combine like terms: 0 + -63 = -63
-23x + x2 = -63

The x term is -23x.  Take half its coefficient (-11.5).
Square it (132.25) and add it to both sides.

Add '132.25' to each side of the equation.
-23x + 132.25 + x2 = -63 + 132.25

Reorder the terms:
132.25 + -23x + x2 = -63 + 132.25

Combine like terms: -63 + 132.25 = 69.25
132.25 + -23x + x2 = 69.25

Factor a perfect square on the left side:
(x + -11.5)(x + -11.5) = 69.25

Calculate the square root of the right side: 8.321658489

Break this problem into two subproblems by setting 
(x + -11.5) equal to 8.321658489 and -8.321658489.

Subproblem 1

x + -11.5 = 8.321658489 Simplifying x + -11.5 = 8.321658489 Reorder the terms: -11.5 + x = 8.321658489 Solving -11.5 + x = 8.321658489 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.5' to each side of the equation. -11.5 + 11.5 + x = 8.321658489 + 11.5 Combine like terms: -11.5 + 11.5 = 0.0 0.0 + x = 8.321658489 + 11.5 x = 8.321658489 + 11.5 Combine like terms: 8.321658489 + 11.5 = 19.821658489 x = 19.821658489 Simplifying x = 19.821658489

Subproblem 2

x + -11.5 = -8.321658489 Simplifying x + -11.5 = -8.321658489 Reorder the terms: -11.5 + x = -8.321658489 Solving -11.5 + x = -8.321658489 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11.5' to each side of the equation. -11.5 + 11.5 + x = -8.321658489 + 11.5 Combine like terms: -11.5 + 11.5 = 0.0 0.0 + x = -8.321658489 + 11.5 x = -8.321658489 + 11.5 Combine like terms: -8.321658489 + 11.5 = 3.178341511 x = 3.178341511 Simplifying x = 3.178341511

Solution

The solution to the problem is based on the solutions from the subproblems. x = {19.821658489, 3.178341511}

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