(2x-8)(7x-5)=0

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Solution for (2x-8)(7x-5)=0 equation: 


Simplifying
(2x + -8)(7x + -5) = 0

Reorder the terms:
(-8 + 2x)(7x + -5) = 0

Reorder the terms:
(-8 + 2x)(-5 + 7x) = 0

Multiply (-8 + 2x) * (-5 + 7x)
(-8(-5 + 7x) + 2x * (-5 + 7x)) = 0
((-5 * -8 + 7x * -8) + 2x * (-5 + 7x)) = 0
((40 + -56x) + 2x * (-5 + 7x)) = 0
(40 + -56x + (-5 * 2x + 7x * 2x)) = 0
(40 + -56x + (-10x + 14x2)) = 0

Combine like terms: -56x + -10x = -66x
(40 + -66x + 14x2) = 0

Solving
40 + -66x + 14x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(20 + -33x + 7x2) = 0

Factor a trinomial.
2((5 + -7x)(4 + -1x)) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(5 + -7x)' equal to zero and attempt to solve:

Simplifying
5 + -7x = 0

Solving
5 + -7x = 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 + -7x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -7x = 0 + -5
-7x = 0 + -5

Combine like terms: 0 + -5 = -5
-7x = -5

Divide each side by '-7'.
x = 0.7142857143

Simplifying
x = 0.7142857143

Subproblem 2
Set the factor '(4 + -1x)' equal to zero and attempt to solve:

Simplifying
4 + -1x = 0

Solving
4 + -1x = 0

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

Add '-4' to each side of the equation.
4 + -4 + -1x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1x = 0 + -4
-1x = 0 + -4

Combine like terms: 0 + -4 = -4
-1x = -4

Divide each side by '-1'.
x = 4

Simplifying
x = 4
Solution
x = {0.7142857143, 4}

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