(4x-5)(2x-5)=0

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Solution for (4x-5)(2x-5)=0 equation: 


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

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

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

Multiply (-5 + 4x) * (-5 + 2x)
(-5(-5 + 2x) + 4x * (-5 + 2x)) = 0
((-5 * -5 + 2x * -5) + 4x * (-5 + 2x)) = 0
((25 + -10x) + 4x * (-5 + 2x)) = 0
(25 + -10x + (-5 * 4x + 2x * 4x)) = 0
(25 + -10x + (-20x + 8x2)) = 0

Combine like terms: -10x + -20x = -30x
(25 + -30x + 8x2) = 0

Solving
25 + -30x + 8x2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor '(5 + -4x)' equal to zero and attempt to solve:

Simplifying
5 + -4x = 0

Solving
5 + -4x = 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 + -4x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -4x = 0 + -5
-4x = 0 + -5

Combine like terms: 0 + -5 = -5
-4x = -5

Divide each side by '-4'.
x = 1.25

Simplifying
x = 1.25

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 = {1.25, 2.5}

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