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

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


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

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

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

Multiply (-4 + X) * (-5 + x)
(-4(-5 + x) + X(-5 + x)) = 0
((-5 * -4 + x * -4) + X(-5 + x)) = 0
((20 + -4x) + X(-5 + x)) = 0
(20 + -4x + (-5 * X + x * X)) = 0
(20 + -4x + (-5X + xX)) = 0

Reorder the terms:
(20 + -5X + -4x + xX) = 0
(20 + -5X + -4x + xX) = 0

Solving
20 + -5X + -4x + xX = 0

Solving for variable 'X'.

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

Add '-20' to each side of the equation.
20 + -5X + -4x + -20 + xX = 0 + -20

Reorder the terms:
20 + -20 + -5X + -4x + xX = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -5X + -4x + xX = 0 + -20
-5X + -4x + xX = 0 + -20

Combine like terms: 0 + -20 = -20
-5X + -4x + xX = -20

Add '4x' to each side of the equation.
-5X + -4x + 4x + xX = -20 + 4x

Combine like terms: -4x + 4x = 0
-5X + 0 + xX = -20 + 4x
-5X + xX = -20 + 4x

Reorder the terms:
20 + -5X + -4x + xX = -20 + 4x + 20 + -4x

Reorder the terms:
20 + -5X + -4x + xX = -20 + 20 + 4x + -4x

Combine like terms: -20 + 20 = 0
20 + -5X + -4x + xX = 0 + 4x + -4x
20 + -5X + -4x + xX = 4x + -4x

Combine like terms: 4x + -4x = 0
20 + -5X + -4x + xX = 0

The solution to this equation could not be determined.

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