(2x-4)(x-8)=1008

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Solution for (2x-4)(x-8)=1008 equation:


Simplifying
(2x + -4)(x + -8) = 1008

Reorder the terms:
(-4 + 2x)(x + -8) = 1008

Reorder the terms:
(-4 + 2x)(-8 + x) = 1008

Multiply (-4 + 2x) * (-8 + x)
(-4(-8 + x) + 2x * (-8 + x)) = 1008
((-8 * -4 + x * -4) + 2x * (-8 + x)) = 1008
((32 + -4x) + 2x * (-8 + x)) = 1008
(32 + -4x + (-8 * 2x + x * 2x)) = 1008
(32 + -4x + (-16x + 2x2)) = 1008

Combine like terms: -4x + -16x = -20x
(32 + -20x + 2x2) = 1008

Solving
32 + -20x + 2x2 = 1008

Solving for variable 'x'.

Reorder the terms:
32 + -1008 + -20x + 2x2 = 1008 + -1008

Combine like terms: 32 + -1008 = -976
-976 + -20x + 2x2 = 1008 + -1008

Combine like terms: 1008 + -1008 = 0
-976 + -20x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-488 + -10x + x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-488 + -10x + x2)' equal to zero and attempt to solve: Simplifying -488 + -10x + x2 = 0 Solving -488 + -10x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '488' to each side of the equation. -488 + -10x + 488 + x2 = 0 + 488 Reorder the terms: -488 + 488 + -10x + x2 = 0 + 488 Combine like terms: -488 + 488 = 0 0 + -10x + x2 = 0 + 488 -10x + x2 = 0 + 488 Combine like terms: 0 + 488 = 488 -10x + x2 = 488 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 = 488 + 25 Reorder the terms: 25 + -10x + x2 = 488 + 25 Combine like terms: 488 + 25 = 513 25 + -10x + x2 = 513 Factor a perfect square on the left side: (x + -5)(x + -5) = 513 Calculate the square root of the right side: 22.649503306 Break this problem into two subproblems by setting (x + -5) equal to 22.649503306 and -22.649503306.

Subproblem 1

x + -5 = 22.649503306 Simplifying x + -5 = 22.649503306 Reorder the terms: -5 + x = 22.649503306 Solving -5 + x = 22.649503306 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 = 22.649503306 + 5 Combine like terms: -5 + 5 = 0 0 + x = 22.649503306 + 5 x = 22.649503306 + 5 Combine like terms: 22.649503306 + 5 = 27.649503306 x = 27.649503306 Simplifying x = 27.649503306

Subproblem 2

x + -5 = -22.649503306 Simplifying x + -5 = -22.649503306 Reorder the terms: -5 + x = -22.649503306 Solving -5 + x = -22.649503306 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 = -22.649503306 + 5 Combine like terms: -5 + 5 = 0 0 + x = -22.649503306 + 5 x = -22.649503306 + 5 Combine like terms: -22.649503306 + 5 = -17.649503306 x = -17.649503306 Simplifying x = -17.649503306

Solution

The solution to the problem is based on the solutions from the subproblems. x = {27.649503306, -17.649503306}

Solution

x = {27.649503306, -17.649503306}

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