(x-6)(x-8)=14

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Solution for (x-6)(x-8)=14 equation:


Simplifying
(x + -6)(x + -8) = 14

Reorder the terms:
(-6 + x)(x + -8) = 14

Reorder the terms:
(-6 + x)(-8 + x) = 14

Multiply (-6 + x) * (-8 + x)
(-6(-8 + x) + x(-8 + x)) = 14
((-8 * -6 + x * -6) + x(-8 + x)) = 14
((48 + -6x) + x(-8 + x)) = 14
(48 + -6x + (-8 * x + x * x)) = 14
(48 + -6x + (-8x + x2)) = 14

Combine like terms: -6x + -8x = -14x
(48 + -14x + x2) = 14

Solving
48 + -14x + x2 = 14

Solving for variable 'x'.

Reorder the terms:
48 + -14 + -14x + x2 = 14 + -14

Combine like terms: 48 + -14 = 34
34 + -14x + x2 = 14 + -14

Combine like terms: 14 + -14 = 0
34 + -14x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-34' to each side of the equation.
34 + -14x + -34 + x2 = 0 + -34

Reorder the terms:
34 + -34 + -14x + x2 = 0 + -34

Combine like terms: 34 + -34 = 0
0 + -14x + x2 = 0 + -34
-14x + x2 = 0 + -34

Combine like terms: 0 + -34 = -34
-14x + x2 = -34

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 = -34 + 49

Reorder the terms:
49 + -14x + x2 = -34 + 49

Combine like terms: -34 + 49 = 15
49 + -14x + x2 = 15

Factor a perfect square on the left side:
(x + -7)(x + -7) = 15

Calculate the square root of the right side: 3.872983346

Break this problem into two subproblems by setting 
(x + -7) equal to 3.872983346 and -3.872983346.

Subproblem 1

x + -7 = 3.872983346 Simplifying x + -7 = 3.872983346 Reorder the terms: -7 + x = 3.872983346 Solving -7 + x = 3.872983346 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 = 3.872983346 + 7 Combine like terms: -7 + 7 = 0 0 + x = 3.872983346 + 7 x = 3.872983346 + 7 Combine like terms: 3.872983346 + 7 = 10.872983346 x = 10.872983346 Simplifying x = 10.872983346

Subproblem 2

x + -7 = -3.872983346 Simplifying x + -7 = -3.872983346 Reorder the terms: -7 + x = -3.872983346 Solving -7 + x = -3.872983346 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 = -3.872983346 + 7 Combine like terms: -7 + 7 = 0 0 + x = -3.872983346 + 7 x = -3.872983346 + 7 Combine like terms: -3.872983346 + 7 = 3.127016654 x = 3.127016654 Simplifying x = 3.127016654

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.872983346, 3.127016654}

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