2(x-4)(x-6)=73

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Solution for 2(x-4)(x-6)=73 equation:


Simplifying
2(x + -4)(x + -6) = 73

Reorder the terms:
2(-4 + x)(x + -6) = 73

Reorder the terms:
2(-4 + x)(-6 + x) = 73

Multiply (-4 + x) * (-6 + x)
2(-4(-6 + x) + x(-6 + x)) = 73
2((-6 * -4 + x * -4) + x(-6 + x)) = 73
2((24 + -4x) + x(-6 + x)) = 73
2(24 + -4x + (-6 * x + x * x)) = 73
2(24 + -4x + (-6x + x2)) = 73

Combine like terms: -4x + -6x = -10x
2(24 + -10x + x2) = 73
(24 * 2 + -10x * 2 + x2 * 2) = 73
(48 + -20x + 2x2) = 73

Solving
48 + -20x + 2x2 = 73

Solving for variable 'x'.

Reorder the terms:
48 + -73 + -20x + 2x2 = 73 + -73

Combine like terms: 48 + -73 = -25
-25 + -20x + 2x2 = 73 + -73

Combine like terms: 73 + -73 = 0
-25 + -20x + 2x2 = 0

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
-12.5 + -10x + x2 = 0

Move the constant term to the right:

Add '12.5' to each side of the equation.
-12.5 + -10x + 12.5 + x2 = 0 + 12.5

Reorder the terms:
-12.5 + 12.5 + -10x + x2 = 0 + 12.5

Combine like terms: -12.5 + 12.5 = 0.0
0.0 + -10x + x2 = 0 + 12.5
-10x + x2 = 0 + 12.5

Combine like terms: 0 + 12.5 = 12.5
-10x + x2 = 12.5

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = 12.5 + 25

Reorder the terms:
25 + -10x + x2 = 12.5 + 25

Combine like terms: 12.5 + 25 = 37.5
25 + -10x + x2 = 37.5

Factor a perfect square on the left side:
(x + -5)(x + -5) = 37.5

Calculate the square root of the right side: 6.123724357

Break this problem into two subproblems by setting 
(x + -5) equal to 6.123724357 and -6.123724357.

Subproblem 1

x + -5 = 6.123724357 Simplifying x + -5 = 6.123724357 Reorder the terms: -5 + x = 6.123724357 Solving -5 + x = 6.123724357 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 6.123724357 + 5 Combine like terms: -5 + 5 = 0 0 + x = 6.123724357 + 5 x = 6.123724357 + 5 Combine like terms: 6.123724357 + 5 = 11.123724357 x = 11.123724357 Simplifying x = 11.123724357

Subproblem 2

x + -5 = -6.123724357 Simplifying x + -5 = -6.123724357 Reorder the terms: -5 + x = -6.123724357 Solving -5 + x = -6.123724357 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -6.123724357 + 5 Combine like terms: -5 + 5 = 0 0 + x = -6.123724357 + 5 x = -6.123724357 + 5 Combine like terms: -6.123724357 + 5 = -1.123724357 x = -1.123724357 Simplifying x = -1.123724357

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.123724357, -1.123724357}

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