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

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Solution for 0=x^3+5x^2-4x-20 equation: 


Simplifying
0 = x3 + 5x2 + -4x + -20

Reorder the terms:
0 = -20 + -4x + 5x2 + x3

Solving
0 = -20 + -4x + 5x2 + x3

Solving for variable 'x'.

Combine like terms: 0 + 20 = 20
20 + 4x + -5x2 + -1x3 = -20 + -4x + 5x2 + x3 + 20 + 4x + -5x2 + -1x3

Reorder the terms:
20 + 4x + -5x2 + -1x3 = -20 + 20 + -4x + 4x + 5x2 + -5x2 + x3 + -1x3

Combine like terms: -20 + 20 = 0
20 + 4x + -5x2 + -1x3 = 0 + -4x + 4x + 5x2 + -5x2 + x3 + -1x3
20 + 4x + -5x2 + -1x3 = -4x + 4x + 5x2 + -5x2 + x3 + -1x3

Combine like terms: -4x + 4x = 0
20 + 4x + -5x2 + -1x3 = 0 + 5x2 + -5x2 + x3 + -1x3
20 + 4x + -5x2 + -1x3 = 5x2 + -5x2 + x3 + -1x3

Combine like terms: 5x2 + -5x2 = 0
20 + 4x + -5x2 + -1x3 = 0 + x3 + -1x3
20 + 4x + -5x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
20 + 4x + -5x2 + -1x3 = 0

The solution to this equation could not be determined.

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