X^3+5x^2-4x=20

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Solution for X^3+5x^2-4x=20 equation:


Simplifying
X3 + 5x2 + -4x = 20

Reorder the terms:
X3 + -4x + 5x2 = 20

Solving
X3 + -4x + 5x2 = 20

Solving for variable 'X'.

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

Add '4x' to each side of the equation.
X3 + -4x + 4x + 5x2 = 20 + 4x

Combine like terms: -4x + 4x = 0
X3 + 0 + 5x2 = 20 + 4x
X3 + 5x2 = 20 + 4x

Add '-5x2' to each side of the equation.
X3 + 5x2 + -5x2 = 20 + 4x + -5x2

Combine like terms: 5x2 + -5x2 = 0
X3 + 0 = 20 + 4x + -5x2
X3 = 20 + 4x + -5x2

Simplifying
X3 = 20 + 4x + -5x2

Reorder the terms:
-20 + X3 + -4x + 5x2 = 20 + 4x + -5x2 + -20 + -4x + 5x2

Reorder the terms:
-20 + X3 + -4x + 5x2 = 20 + -20 + 4x + -4x + -5x2 + 5x2

Combine like terms: 20 + -20 = 0
-20 + X3 + -4x + 5x2 = 0 + 4x + -4x + -5x2 + 5x2
-20 + X3 + -4x + 5x2 = 4x + -4x + -5x2 + 5x2

Combine like terms: 4x + -4x = 0
-20 + X3 + -4x + 5x2 = 0 + -5x2 + 5x2
-20 + X3 + -4x + 5x2 = -5x2 + 5x2

Combine like terms: -5x2 + 5x2 = 0
-20 + X3 + -4x + 5x2 = 0

The solution to this equation could not be determined.

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