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

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


Simplifying
(X + 4)(5 + -1x) = 0

Reorder the terms:
(4 + X)(5 + -1x) = 0

Multiply (4 + X) * (5 + -1x)
(4(5 + -1x) + X(5 + -1x)) = 0
((5 * 4 + -1x * 4) + X(5 + -1x)) = 0
((20 + -4x) + X(5 + -1x)) = 0
(20 + -4x + (5 * X + -1x * X)) = 0
(20 + -4x + (5X + -1xX)) = 0

Reorder the terms:
(20 + 5X + -4x + -1xX) = 0
(20 + 5X + -4x + -1xX) = 0

Solving
20 + 5X + -4x + -1xX = 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 + -1xX = 0 + -20

Reorder the terms:
20 + -20 + 5X + -4x + -1xX = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 5X + -4x + -1xX = 0 + -20
5X + -4x + -1xX = 0 + -20

Combine like terms: 0 + -20 = -20
5X + -4x + -1xX = -20

Add '4x' to each side of the equation.
5X + -4x + 4x + -1xX = -20 + 4x

Combine like terms: -4x + 4x = 0
5X + 0 + -1xX = -20 + 4x
5X + -1xX = -20 + 4x

Reorder the terms:
20 + 5X + -4x + -1xX = -20 + 4x + 20 + -4x

Reorder the terms:
20 + 5X + -4x + -1xX = -20 + 20 + 4x + -4x

Combine like terms: -20 + 20 = 0
20 + 5X + -4x + -1xX = 0 + 4x + -4x
20 + 5X + -4x + -1xX = 4x + -4x

Combine like terms: 4x + -4x = 0
20 + 5X + -4x + -1xX = 0

The solution to this equation could not be determined.

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