X^3+4x^2-27x-90=0

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Solution for X^3+4x^2-27x-90=0 equation:


Simplifying
X3 + 4x2 + -27x + -90 = 0

Reorder the terms:
-90 + X3 + -27x + 4x2 = 0

Solving
-90 + X3 + -27x + 4x2 = 0

Solving for variable 'X'.

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

Add '90' to each side of the equation.
-90 + X3 + -27x + 90 + 4x2 = 0 + 90

Reorder the terms:
-90 + 90 + X3 + -27x + 4x2 = 0 + 90

Combine like terms: -90 + 90 = 0
0 + X3 + -27x + 4x2 = 0 + 90
X3 + -27x + 4x2 = 0 + 90

Combine like terms: 0 + 90 = 90
X3 + -27x + 4x2 = 90

Add '27x' to each side of the equation.
X3 + -27x + 27x + 4x2 = 90 + 27x

Combine like terms: -27x + 27x = 0
X3 + 0 + 4x2 = 90 + 27x
X3 + 4x2 = 90 + 27x

Add '-4x2' to each side of the equation.
X3 + 4x2 + -4x2 = 90 + 27x + -4x2

Combine like terms: 4x2 + -4x2 = 0
X3 + 0 = 90 + 27x + -4x2
X3 = 90 + 27x + -4x2

Simplifying
X3 = 90 + 27x + -4x2

Reorder the terms:
-90 + X3 + -27x + 4x2 = 90 + 27x + -4x2 + -90 + -27x + 4x2

Reorder the terms:
-90 + X3 + -27x + 4x2 = 90 + -90 + 27x + -27x + -4x2 + 4x2

Combine like terms: 90 + -90 = 0
-90 + X3 + -27x + 4x2 = 0 + 27x + -27x + -4x2 + 4x2
-90 + X3 + -27x + 4x2 = 27x + -27x + -4x2 + 4x2

Combine like terms: 27x + -27x = 0
-90 + X3 + -27x + 4x2 = 0 + -4x2 + 4x2
-90 + X3 + -27x + 4x2 = -4x2 + 4x2

Combine like terms: -4x2 + 4x2 = 0
-90 + X3 + -27x + 4x2 = 0

The solution to this equation could not be determined.

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