X^3+2x^2-6x-72=x-4

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Solution for X^3+2x^2-6x-72=x-4 equation: 


Simplifying
X3 + 2x2 + -6x + -72 = x + -4

Reorder the terms:
-72 + X3 + -6x + 2x2 = x + -4

Reorder the terms:
-72 + X3 + -6x + 2x2 = -4 + x

Solving
-72 + X3 + -6x + 2x2 = -4 + x

Solving for variable 'X'.

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

Add '72' to each side of the equation.
-72 + X3 + -6x + 72 + 2x2 = -4 + 72 + x

Reorder the terms:
-72 + 72 + X3 + -6x + 2x2 = -4 + 72 + x

Combine like terms: -72 + 72 = 0
0 + X3 + -6x + 2x2 = -4 + 72 + x
X3 + -6x + 2x2 = -4 + 72 + x

Combine like terms: -4 + 72 = 68
X3 + -6x + 2x2 = 68 + x

Add '6x' to each side of the equation.
X3 + -6x + 6x + 2x2 = 68 + x + 6x

Combine like terms: -6x + 6x = 0
X3 + 0 + 2x2 = 68 + x + 6x
X3 + 2x2 = 68 + x + 6x

Combine like terms: x + 6x = 7x
X3 + 2x2 = 68 + 7x

Add '-2x2' to each side of the equation.
X3 + 2x2 + -2x2 = 68 + 7x + -2x2

Combine like terms: 2x2 + -2x2 = 0
X3 + 0 = 68 + 7x + -2x2
X3 = 68 + 7x + -2x2

Simplifying
X3 = 68 + 7x + -2x2

Reorder the terms:
-68 + X3 + -7x + 2x2 = 68 + 7x + -2x2 + -68 + -7x + 2x2

Reorder the terms:
-68 + X3 + -7x + 2x2 = 68 + -68 + 7x + -7x + -2x2 + 2x2

Combine like terms: 68 + -68 = 0
-68 + X3 + -7x + 2x2 = 0 + 7x + -7x + -2x2 + 2x2
-68 + X3 + -7x + 2x2 = 7x + -7x + -2x2 + 2x2

Combine like terms: 7x + -7x = 0
-68 + X3 + -7x + 2x2 = 0 + -2x2 + 2x2
-68 + X3 + -7x + 2x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
-68 + X3 + -7x + 2x2 = 0

The solution to this equation could not be determined.

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