(2x-5)(4x-8)=

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Solution for (2x-5)(4x-8)= equation: 


Simplifying
(2x + -5)(4x + -8) = 0

Reorder the terms:
(-5 + 2x)(4x + -8) = 0

Reorder the terms:
(-5 + 2x)(-8 + 4x) = 0

Multiply (-5 + 2x) * (-8 + 4x)
(-5(-8 + 4x) + 2x * (-8 + 4x)) = 0
((-8 * -5 + 4x * -5) + 2x * (-8 + 4x)) = 0
((40 + -20x) + 2x * (-8 + 4x)) = 0
(40 + -20x + (-8 * 2x + 4x * 2x)) = 0
(40 + -20x + (-16x + 8x2)) = 0

Combine like terms: -20x + -16x = -36x
(40 + -36x + 8x2) = 0

Solving
40 + -36x + 8x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(10 + -9x + 2x2) = 0

Factor a trinomial.
4((2 + -1x)(5 + -2x)) = 0

Ignore the factor 4.

Subproblem 1
Set the factor '(2 + -1x)' equal to zero and attempt to solve:

Simplifying
2 + -1x = 0

Solving
2 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + -2 + -1x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1x = 0 + -2
-1x = 0 + -2

Combine like terms: 0 + -2 = -2
-1x = -2

Divide each side by '-1'.
x = 2

Simplifying
x = 2

Subproblem 2
Set the factor '(5 + -2x)' equal to zero and attempt to solve:

Simplifying
5 + -2x = 0

Solving
5 + -2x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + -2x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -2x = 0 + -5
-2x = 0 + -5

Combine like terms: 0 + -5 = -5
-2x = -5

Divide each side by '-2'.
x = 2.5

Simplifying
x = 2.5
Solution
x = {2, 2.5}

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