x^2-14x+53=9

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Solution for x^2-14x+53=9 equation:


Simplifying
x2 + -14x + 53 = 9

Reorder the terms:
53 + -14x + x2 = 9

Solving
53 + -14x + x2 = 9

Solving for variable 'x'.

Reorder the terms:
53 + -9 + -14x + x2 = 9 + -9

Combine like terms: 53 + -9 = 44
44 + -14x + x2 = 9 + -9

Combine like terms: 9 + -9 = 0
44 + -14x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-44' to each side of the equation.
44 + -14x + -44 + x2 = 0 + -44

Reorder the terms:
44 + -44 + -14x + x2 = 0 + -44

Combine like terms: 44 + -44 = 0
0 + -14x + x2 = 0 + -44
-14x + x2 = 0 + -44

Combine like terms: 0 + -44 = -44
-14x + x2 = -44

The x term is -14x.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14x + 49 + x2 = -44 + 49

Reorder the terms:
49 + -14x + x2 = -44 + 49

Combine like terms: -44 + 49 = 5
49 + -14x + x2 = 5

Factor a perfect square on the left side:
(x + -7)(x + -7) = 5

Calculate the square root of the right side: 2.236067978

Break this problem into two subproblems by setting 
(x + -7) equal to 2.236067978 and -2.236067978.

Subproblem 1

x + -7 = 2.236067978 Simplifying x + -7 = 2.236067978 Reorder the terms: -7 + x = 2.236067978 Solving -7 + x = 2.236067978 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = 2.236067978 + 7 Combine like terms: -7 + 7 = 0 0 + x = 2.236067978 + 7 x = 2.236067978 + 7 Combine like terms: 2.236067978 + 7 = 9.236067978 x = 9.236067978 Simplifying x = 9.236067978

Subproblem 2

x + -7 = -2.236067978 Simplifying x + -7 = -2.236067978 Reorder the terms: -7 + x = -2.236067978 Solving -7 + x = -2.236067978 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = -2.236067978 + 7 Combine like terms: -7 + 7 = 0 0 + x = -2.236067978 + 7 x = -2.236067978 + 7 Combine like terms: -2.236067978 + 7 = 4.763932022 x = 4.763932022 Simplifying x = 4.763932022

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.236067978, 4.763932022}

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