X^3-4x^2-2x+84=0

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Solution for X^3-4x^2-2x+84=0 equation:


Simplifying
X3 + -4x2 + -2x + 84 = 0

Reorder the terms:
84 + X3 + -2x + -4x2 = 0

Solving
84 + X3 + -2x + -4x2 = 0

Solving for variable 'X'.

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

Add '-84' to each side of the equation.
84 + X3 + -2x + -84 + -4x2 = 0 + -84

Reorder the terms:
84 + -84 + X3 + -2x + -4x2 = 0 + -84

Combine like terms: 84 + -84 = 0
0 + X3 + -2x + -4x2 = 0 + -84
X3 + -2x + -4x2 = 0 + -84

Combine like terms: 0 + -84 = -84
X3 + -2x + -4x2 = -84

Add '2x' to each side of the equation.
X3 + -2x + 2x + -4x2 = -84 + 2x

Combine like terms: -2x + 2x = 0
X3 + 0 + -4x2 = -84 + 2x
X3 + -4x2 = -84 + 2x

Add '4x2' to each side of the equation.
X3 + -4x2 + 4x2 = -84 + 2x + 4x2

Combine like terms: -4x2 + 4x2 = 0
X3 + 0 = -84 + 2x + 4x2
X3 = -84 + 2x + 4x2

Simplifying
X3 = -84 + 2x + 4x2

Reorder the terms:
84 + X3 + -2x + -4x2 = -84 + 2x + 4x2 + 84 + -2x + -4x2

Reorder the terms:
84 + X3 + -2x + -4x2 = -84 + 84 + 2x + -2x + 4x2 + -4x2

Combine like terms: -84 + 84 = 0
84 + X3 + -2x + -4x2 = 0 + 2x + -2x + 4x2 + -4x2
84 + X3 + -2x + -4x2 = 2x + -2x + 4x2 + -4x2

Combine like terms: 2x + -2x = 0
84 + X3 + -2x + -4x2 = 0 + 4x2 + -4x2
84 + X3 + -2x + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
84 + X3 + -2x + -4x2 = 0

The solution to this equation could not be determined.

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