X=X^3-3X^2-25X-21

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Solution for X=X^3-3X^2-25X-21 equation: 


Simplifying
X = X3 + -3X2 + -25X + -21

Reorder the terms:
X = -21 + -25X + -3X2 + X3

Solving
X = -21 + -25X + -3X2 + X3

Solving for variable 'X'.

Reorder the terms:
21 + X + 25X + 3X2 + -1X3 = -21 + -25X + -3X2 + X3 + 21 + 25X + 3X2 + -1X3

Combine like terms: X + 25X = 26X
21 + 26X + 3X2 + -1X3 = -21 + -25X + -3X2 + X3 + 21 + 25X + 3X2 + -1X3

Reorder the terms:
21 + 26X + 3X2 + -1X3 = -21 + 21 + -25X + 25X + -3X2 + 3X2 + X3 + -1X3

Combine like terms: -21 + 21 = 0
21 + 26X + 3X2 + -1X3 = 0 + -25X + 25X + -3X2 + 3X2 + X3 + -1X3
21 + 26X + 3X2 + -1X3 = -25X + 25X + -3X2 + 3X2 + X3 + -1X3

Combine like terms: -25X + 25X = 0
21 + 26X + 3X2 + -1X3 = 0 + -3X2 + 3X2 + X3 + -1X3
21 + 26X + 3X2 + -1X3 = -3X2 + 3X2 + X3 + -1X3

Combine like terms: -3X2 + 3X2 = 0
21 + 26X + 3X2 + -1X3 = 0 + X3 + -1X3
21 + 26X + 3X2 + -1X3 = X3 + -1X3

Combine like terms: X3 + -1X3 = 0
21 + 26X + 3X2 + -1X3 = 0

The solution to this equation could not be determined.

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