X^3-3x^2-5x=-15

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Solution for X^3-3x^2-5x=-15 equation:


Simplifying
X3 + -3x2 + -5x = -15

Reorder the terms:
X3 + -5x + -3x2 = -15

Solving
X3 + -5x + -3x2 = -15

Solving for variable 'X'.

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

Add '5x' to each side of the equation.
X3 + -5x + 5x + -3x2 = -15 + 5x

Combine like terms: -5x + 5x = 0
X3 + 0 + -3x2 = -15 + 5x
X3 + -3x2 = -15 + 5x

Add '3x2' to each side of the equation.
X3 + -3x2 + 3x2 = -15 + 5x + 3x2

Combine like terms: -3x2 + 3x2 = 0
X3 + 0 = -15 + 5x + 3x2
X3 = -15 + 5x + 3x2

Simplifying
X3 = -15 + 5x + 3x2

Reorder the terms:
15 + X3 + -5x + -3x2 = -15 + 5x + 3x2 + 15 + -5x + -3x2

Reorder the terms:
15 + X3 + -5x + -3x2 = -15 + 15 + 5x + -5x + 3x2 + -3x2

Combine like terms: -15 + 15 = 0
15 + X3 + -5x + -3x2 = 0 + 5x + -5x + 3x2 + -3x2
15 + X3 + -5x + -3x2 = 5x + -5x + 3x2 + -3x2

Combine like terms: 5x + -5x = 0
15 + X3 + -5x + -3x2 = 0 + 3x2 + -3x2
15 + X3 + -5x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
15 + X3 + -5x + -3x2 = 0

The solution to this equation could not be determined.

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