(x-6)(x-6)-5=0

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Solution for (x-6)(x-6)-5=0 equation:


Simplifying
(x + -6)(x + -6) + -5 = 0

Reorder the terms:
(-6 + x)(x + -6) + -5 = 0

Reorder the terms:
(-6 + x)(-6 + x) + -5 = 0

Multiply (-6 + x) * (-6 + x)
(-6(-6 + x) + x(-6 + x)) + -5 = 0
((-6 * -6 + x * -6) + x(-6 + x)) + -5 = 0
((36 + -6x) + x(-6 + x)) + -5 = 0
(36 + -6x + (-6 * x + x * x)) + -5 = 0
(36 + -6x + (-6x + x2)) + -5 = 0

Combine like terms: -6x + -6x = -12x
(36 + -12x + x2) + -5 = 0

Reorder the terms:
36 + -5 + -12x + x2 = 0

Combine like terms: 36 + -5 = 31
31 + -12x + x2 = 0

Solving
31 + -12x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-31' to each side of the equation.
31 + -12x + -31 + x2 = 0 + -31

Reorder the terms:
31 + -31 + -12x + x2 = 0 + -31

Combine like terms: 31 + -31 = 0
0 + -12x + x2 = 0 + -31
-12x + x2 = 0 + -31

Combine like terms: 0 + -31 = -31
-12x + x2 = -31

The x term is -12x.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12x + 36 + x2 = -31 + 36

Reorder the terms:
36 + -12x + x2 = -31 + 36

Combine like terms: -31 + 36 = 5
36 + -12x + x2 = 5

Factor a perfect square on the left side:
(x + -6)(x + -6) = 5

Calculate the square root of the right side: 2.236067978

Break this problem into two subproblems by setting 
(x + -6) equal to 2.236067978 and -2.236067978.

Subproblem 1

x + -6 = 2.236067978 Simplifying x + -6 = 2.236067978 Reorder the terms: -6 + x = 2.236067978 Solving -6 + x = 2.236067978 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 2.236067978 + 6 Combine like terms: -6 + 6 = 0 0 + x = 2.236067978 + 6 x = 2.236067978 + 6 Combine like terms: 2.236067978 + 6 = 8.236067978 x = 8.236067978 Simplifying x = 8.236067978

Subproblem 2

x + -6 = -2.236067978 Simplifying x + -6 = -2.236067978 Reorder the terms: -6 + x = -2.236067978 Solving -6 + x = -2.236067978 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -2.236067978 + 6 Combine like terms: -6 + 6 = 0 0 + x = -2.236067978 + 6 x = -2.236067978 + 6 Combine like terms: -2.236067978 + 6 = 3.763932022 x = 3.763932022 Simplifying x = 3.763932022

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.236067978, 3.763932022}

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