(2x-5)(x-9)=0

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Solution for (2x-5)(x-9)=0 equation: 


Simplifying
(2x + -5)(x + -9) = 0

Reorder the terms:
(-5 + 2x)(x + -9) = 0

Reorder the terms:
(-5 + 2x)(-9 + x) = 0

Multiply (-5 + 2x) * (-9 + x)
(-5(-9 + x) + 2x * (-9 + x)) = 0
((-9 * -5 + x * -5) + 2x * (-9 + x)) = 0
((45 + -5x) + 2x * (-9 + x)) = 0
(45 + -5x + (-9 * 2x + x * 2x)) = 0
(45 + -5x + (-18x + 2x2)) = 0

Combine like terms: -5x + -18x = -23x
(45 + -23x + 2x2) = 0

Solving
45 + -23x + 2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(5 + -2x)(9 + -1x) = 0


Subproblem 1
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

Subproblem 2
Set the factor '(9 + -1x)' equal to zero and attempt to solve:

Simplifying
9 + -1x = 0

Solving
9 + -1x = 0

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

Add '-9' to each side of the equation.
9 + -9 + -1x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1x = 0 + -9
-1x = 0 + -9

Combine like terms: 0 + -9 = -9
-1x = -9

Divide each side by '-1'.
x = 9

Simplifying
x = 9
Solution
x = {2.5, 9}

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