(x-6)(x-8)=432

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Solution for (x-6)(x-8)=432 equation:


Simplifying
(x + -6)(x + -8) = 432

Reorder the terms:
(-6 + x)(x + -8) = 432

Reorder the terms:
(-6 + x)(-8 + x) = 432

Multiply (-6 + x) * (-8 + x)
(-6(-8 + x) + x(-8 + x)) = 432
((-8 * -6 + x * -6) + x(-8 + x)) = 432
((48 + -6x) + x(-8 + x)) = 432
(48 + -6x + (-8 * x + x * x)) = 432
(48 + -6x + (-8x + x2)) = 432

Combine like terms: -6x + -8x = -14x
(48 + -14x + x2) = 432

Solving
48 + -14x + x2 = 432

Solving for variable 'x'.

Reorder the terms:
48 + -432 + -14x + x2 = 432 + -432

Combine like terms: 48 + -432 = -384
-384 + -14x + x2 = 432 + -432

Combine like terms: 432 + -432 = 0
-384 + -14x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '384' to each side of the equation.
-384 + -14x + 384 + x2 = 0 + 384

Reorder the terms:
-384 + 384 + -14x + x2 = 0 + 384

Combine like terms: -384 + 384 = 0
0 + -14x + x2 = 0 + 384
-14x + x2 = 0 + 384

Combine like terms: 0 + 384 = 384
-14x + x2 = 384

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 = 384 + 49

Reorder the terms:
49 + -14x + x2 = 384 + 49

Combine like terms: 384 + 49 = 433
49 + -14x + x2 = 433

Factor a perfect square on the left side:
(x + -7)(x + -7) = 433

Calculate the square root of the right side: 20.808652047

Break this problem into two subproblems by setting 
(x + -7) equal to 20.808652047 and -20.808652047.

Subproblem 1

x + -7 = 20.808652047 Simplifying x + -7 = 20.808652047 Reorder the terms: -7 + x = 20.808652047 Solving -7 + x = 20.808652047 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 = 20.808652047 + 7 Combine like terms: -7 + 7 = 0 0 + x = 20.808652047 + 7 x = 20.808652047 + 7 Combine like terms: 20.808652047 + 7 = 27.808652047 x = 27.808652047 Simplifying x = 27.808652047

Subproblem 2

x + -7 = -20.808652047 Simplifying x + -7 = -20.808652047 Reorder the terms: -7 + x = -20.808652047 Solving -7 + x = -20.808652047 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 = -20.808652047 + 7 Combine like terms: -7 + 7 = 0 0 + x = -20.808652047 + 7 x = -20.808652047 + 7 Combine like terms: -20.808652047 + 7 = -13.808652047 x = -13.808652047 Simplifying x = -13.808652047

Solution

The solution to the problem is based on the solutions from the subproblems. x = {27.808652047, -13.808652047}

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