(X+4)(x-5)=-8

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Solution for (X+4)(x-5)=-8 equation:


Simplifying
(X + 4)(x + -5) = -8

Reorder the terms:
(4 + X)(x + -5) = -8

Reorder the terms:
(4 + X)(-5 + x) = -8

Multiply (4 + X) * (-5 + x)
(4(-5 + x) + X(-5 + x)) = -8
((-5 * 4 + x * 4) + X(-5 + x)) = -8
((-20 + 4x) + X(-5 + x)) = -8
(-20 + 4x + (-5 * X + x * X)) = -8
(-20 + 4x + (-5X + xX)) = -8

Reorder the terms:
(-20 + -5X + 4x + xX) = -8
(-20 + -5X + 4x + xX) = -8

Solving
-20 + -5X + 4x + xX = -8

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 = -8 + 20

Reorder the terms:
-20 + 20 + -5X + 4x + xX = -8 + 20

Combine like terms: -20 + 20 = 0
0 + -5X + 4x + xX = -8 + 20
-5X + 4x + xX = -8 + 20

Combine like terms: -8 + 20 = 12
-5X + 4x + xX = 12

Add '-4x' to each side of the equation.
-5X + 4x + -4x + xX = 12 + -4x

Combine like terms: 4x + -4x = 0
-5X + 0 + xX = 12 + -4x
-5X + xX = 12 + -4x

Reorder the terms:
-12 + -5X + 4x + xX = 12 + -4x + -12 + 4x

Reorder the terms:
-12 + -5X + 4x + xX = 12 + -12 + -4x + 4x

Combine like terms: 12 + -12 = 0
-12 + -5X + 4x + xX = 0 + -4x + 4x
-12 + -5X + 4x + xX = -4x + 4x

Combine like terms: -4x + 4x = 0
-12 + -5X + 4x + xX = 0

The solution to this equation could not be determined.

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