x^2-16x+53=0

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Solution for x^2-16x+53=0 equation:


Simplifying
x2 + -16x + 53 = 0

Reorder the terms:
53 + -16x + x2 = 0

Solving
53 + -16x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-53' to each side of the equation.
53 + -16x + -53 + x2 = 0 + -53

Reorder the terms:
53 + -53 + -16x + x2 = 0 + -53

Combine like terms: 53 + -53 = 0
0 + -16x + x2 = 0 + -53
-16x + x2 = 0 + -53

Combine like terms: 0 + -53 = -53
-16x + x2 = -53

The x term is -16x.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16x + 64 + x2 = -53 + 64

Reorder the terms:
64 + -16x + x2 = -53 + 64

Combine like terms: -53 + 64 = 11
64 + -16x + x2 = 11

Factor a perfect square on the left side:
(x + -8)(x + -8) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(x + -8) equal to 3.31662479 and -3.31662479.

Subproblem 1

x + -8 = 3.31662479 Simplifying x + -8 = 3.31662479 Reorder the terms: -8 + x = 3.31662479 Solving -8 + x = 3.31662479 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = 3.31662479 + 8 Combine like terms: -8 + 8 = 0 0 + x = 3.31662479 + 8 x = 3.31662479 + 8 Combine like terms: 3.31662479 + 8 = 11.31662479 x = 11.31662479 Simplifying x = 11.31662479

Subproblem 2

x + -8 = -3.31662479 Simplifying x + -8 = -3.31662479 Reorder the terms: -8 + x = -3.31662479 Solving -8 + x = -3.31662479 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = -3.31662479 + 8 Combine like terms: -8 + 8 = 0 0 + x = -3.31662479 + 8 x = -3.31662479 + 8 Combine like terms: -3.31662479 + 8 = 4.68337521 x = 4.68337521 Simplifying x = 4.68337521

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.31662479, 4.68337521}

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