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

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


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

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

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

Multiply (-4 + 5x) * (4 + x)
X(-4(4 + x) + 5x * (4 + x)) = 0
X((4 * -4 + x * -4) + 5x * (4 + x)) = 0
X((-16 + -4x) + 5x * (4 + x)) = 0
X(-16 + -4x + (4 * 5x + x * 5x)) = 0
X(-16 + -4x + (20x + 5x2)) = 0

Combine like terms: -4x + 20x = 16x
X(-16 + 16x + 5x2) = 0
(-16 * X + 16x * X + 5x2 * X) = 0
(-16X + 16xX + 5x2X) = 0

Solving
-16X + 16xX + 5x2X = 0

Solving for variable 'X'.

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

Factor out the Greatest Common Factor (GCF), 'X'.
X(-16 + 16x + 5x2) = 0

Factor a trinomial.
X((-4 + -1x)(4 + -5x)) = 0


Subproblem 1
Set the factor 'X' equal to zero and attempt to solve:

Simplifying
X = 0

Solving
X = 0

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

Simplifying
X = 0

Subproblem 2
Set the factor '(-4 + -1x)' equal to zero and attempt to solve:

Simplifying
-4 + -1x = 0

Solving
-4 + -1x = 0

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

Add '4' to each side of the equation.
-4 + 4 + -1x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1x = 0 + 4
-1x = 0 + 4

Combine like terms: 0 + 4 = 4
-1x = 4

Add 'x' to each side of the equation.
-1x + x = 4 + x

Combine like terms: -1x + x = 0
0 = 4 + x

Simplifying
0 = 4 + x

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

Subproblem 3
Set the factor '(4 + -5x)' equal to zero and attempt to solve:

Simplifying
4 + -5x = 0

Solving
4 + -5x = 0

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

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

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

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

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

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

Simplifying
0 = -4 + 5x

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
X = {0}

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