=x^3-3x^2-25x-21

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


Simplifying
0 = x3 + -3x2 + -25x + -21

Reorder the terms:
0 = -21 + -25x + -3x2 + x3

Solving
0 = -21 + -25x + -3x2 + x3

Solving for variable 'x'.

Combine like terms: 0 + 21 = 21
21 + 25x + 3x2 + -1x3 = -21 + -25x + -3x2 + x3 + 21 + 25x + 3x2 + -1x3

Reorder the terms:
21 + 25x + 3x2 + -1x3 = -21 + 21 + -25x + 25x + -3x2 + 3x2 + x3 + -1x3

Combine like terms: -21 + 21 = 0
21 + 25x + 3x2 + -1x3 = 0 + -25x + 25x + -3x2 + 3x2 + x3 + -1x3
21 + 25x + 3x2 + -1x3 = -25x + 25x + -3x2 + 3x2 + x3 + -1x3

Combine like terms: -25x + 25x = 0
21 + 25x + 3x2 + -1x3 = 0 + -3x2 + 3x2 + x3 + -1x3
21 + 25x + 3x2 + -1x3 = -3x2 + 3x2 + x3 + -1x3

Combine like terms: -3x2 + 3x2 = 0
21 + 25x + 3x2 + -1x3 = 0 + x3 + -1x3
21 + 25x + 3x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
21 + 25x + 3x2 + -1x3 = 0

The solution to this equation could not be determined.

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