(X^3)+(2x^2)-(4x)-8=0

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Solution for (X^3)+(2x^2)-(4x)-8=0 equation: 


Simplifying
(X3) + (2x2) + -1(4x) + -8 = 0
X3 + (2x2) + -1(4x) + -8 = 0

Remove parenthesis around (4x)
X3 + (2x2) + -1 * 4x + -8 = 0

Multiply -1 * 4
X3 + (2x2) + -4x + -8 = 0

Reorder the terms:
-8 + X3 + -4x + (2x2) = 0

Solving
-8 + X3 + -4x + (2x2) = 0

Solving for variable 'X'.

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

Add '8' to each side of the equation.
-8 + X3 + -4x + 8 + (2x2) = 0 + 8

Reorder the terms:
-8 + 8 + X3 + -4x + (2x2) = 0 + 8

Combine like terms: -8 + 8 = 0
0 + X3 + -4x + (2x2) = 0 + 8
X3 + -4x + (2x2) = 0 + 8

Combine like terms: 0 + 8 = 8
X3 + -4x + (2x2) = 8

Add '4x' to each side of the equation.
X3 + -4x + 4x + (2x2) = 8 + 4x

Combine like terms: -4x + 4x = 0
X3 + 0 + (2x2) = 8 + 4x
X3 + (2x2) = 8 + 4x

Add '(-2x2)' to each side of the equation.
X3 + (2x2) + (-2x2) = 8 + 4x + (-2x2)

Combine like terms: (2x2) + (-2x2) = 0
X3 + 0 = 8 + 4x + (-2x2)
X3 = 8 + 4x + (-2x2)

Simplifying
X3 = 8 + 4x + (-2x2)

Reorder the terms:
-8 + X3 + -4x + (2x2) = 8 + 4x + (-2x2) + -8 + -4x + (2x2)

Reorder the terms:
-8 + X3 + -4x + (2x2) = 8 + -8 + 4x + -4x + (-2x2) + (2x2)

Combine like terms: 8 + -8 = 0
-8 + X3 + -4x + (2x2) = 0 + 4x + -4x + (-2x2) + (2x2)
-8 + X3 + -4x + (2x2) = 4x + -4x + (-2x2) + (2x2)

Combine like terms: 4x + -4x = 0
-8 + X3 + -4x + (2x2) = 0 + (-2x2) + (2x2)
-8 + X3 + -4x + (2x2) = (-2x2) + (2x2)

Combine like terms: (-2x2) + (2x2) = 0
-8 + X3 + -4x + (2x2) = 0

The solution to this equation could not be determined.

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