X^3-4x^2-39x+126=0

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Solution for X^3-4x^2-39x+126=0 equation:


Simplifying
X3 + -4x2 + -39x + 126 = 0

Reorder the terms:
126 + X3 + -39x + -4x2 = 0

Solving
126 + X3 + -39x + -4x2 = 0

Solving for variable 'X'.

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

Add '-126' to each side of the equation.
126 + X3 + -39x + -126 + -4x2 = 0 + -126

Reorder the terms:
126 + -126 + X3 + -39x + -4x2 = 0 + -126

Combine like terms: 126 + -126 = 0
0 + X3 + -39x + -4x2 = 0 + -126
X3 + -39x + -4x2 = 0 + -126

Combine like terms: 0 + -126 = -126
X3 + -39x + -4x2 = -126

Add '39x' to each side of the equation.
X3 + -39x + 39x + -4x2 = -126 + 39x

Combine like terms: -39x + 39x = 0
X3 + 0 + -4x2 = -126 + 39x
X3 + -4x2 = -126 + 39x

Add '4x2' to each side of the equation.
X3 + -4x2 + 4x2 = -126 + 39x + 4x2

Combine like terms: -4x2 + 4x2 = 0
X3 + 0 = -126 + 39x + 4x2
X3 = -126 + 39x + 4x2

Simplifying
X3 = -126 + 39x + 4x2

Reorder the terms:
126 + X3 + -39x + -4x2 = -126 + 39x + 4x2 + 126 + -39x + -4x2

Reorder the terms:
126 + X3 + -39x + -4x2 = -126 + 126 + 39x + -39x + 4x2 + -4x2

Combine like terms: -126 + 126 = 0
126 + X3 + -39x + -4x2 = 0 + 39x + -39x + 4x2 + -4x2
126 + X3 + -39x + -4x2 = 39x + -39x + 4x2 + -4x2

Combine like terms: 39x + -39x = 0
126 + X3 + -39x + -4x2 = 0 + 4x2 + -4x2
126 + X3 + -39x + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
126 + X3 + -39x + -4x2 = 0

The solution to this equation could not be determined.

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