X(4x-5)(x+7)=0

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Solution for X(4x-5)(x+7)=0 equation: 


Simplifying
X(4x + -5)(x + 7) = 0

Reorder the terms:
X(-5 + 4x)(x + 7) = 0

Reorder the terms:
X(-5 + 4x)(7 + x) = 0

Multiply (-5 + 4x) * (7 + x)
X(-5(7 + x) + 4x * (7 + x)) = 0
X((7 * -5 + x * -5) + 4x * (7 + x)) = 0
X((-35 + -5x) + 4x * (7 + x)) = 0
X(-35 + -5x + (7 * 4x + x * 4x)) = 0
X(-35 + -5x + (28x + 4x2)) = 0

Combine like terms: -5x + 28x = 23x
X(-35 + 23x + 4x2) = 0
(-35 * X + 23x * X + 4x2 * X) = 0
(-35X + 23xX + 4x2X) = 0

Solving
-35X + 23xX + 4x2X = 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(-35 + 23x + 4x2) = 0

Factor a trinomial.
X((-7 + -1x)(5 + -4x)) = 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 '(-7 + -1x)' equal to zero and attempt to solve:

Simplifying
-7 + -1x = 0

Solving
-7 + -1x = 0

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

Add '7' to each side of the equation.
-7 + 7 + -1x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -1x = 0 + 7
-1x = 0 + 7

Combine like terms: 0 + 7 = 7
-1x = 7

Add 'x' to each side of the equation.
-1x + x = 7 + x

Combine like terms: -1x + x = 0
0 = 7 + x

Simplifying
0 = 7 + 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 '(5 + -4x)' equal to zero and attempt to solve:

Simplifying
5 + -4x = 0

Solving
5 + -4x = 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 + -4x = 0 + -5

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

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

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

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

Simplifying
0 = -5 + 4x

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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