0=x^4+5x^3-8x-40

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Solution for 0=x^4+5x^3-8x-40 equation: 


Simplifying
0 = x4 + 5x3 + -8x + -40

Reorder the terms:
0 = -40 + -8x + 5x3 + x4

Solving
0 = -40 + -8x + 5x3 + x4

Solving for variable 'x'.

Combine like terms: 0 + 40 = 40
40 + 8x + -5x3 + -1x4 = -40 + -8x + 5x3 + x4 + 40 + 8x + -5x3 + -1x4

Reorder the terms:
40 + 8x + -5x3 + -1x4 = -40 + 40 + -8x + 8x + 5x3 + -5x3 + x4 + -1x4

Combine like terms: -40 + 40 = 0
40 + 8x + -5x3 + -1x4 = 0 + -8x + 8x + 5x3 + -5x3 + x4 + -1x4
40 + 8x + -5x3 + -1x4 = -8x + 8x + 5x3 + -5x3 + x4 + -1x4

Combine like terms: -8x + 8x = 0
40 + 8x + -5x3 + -1x4 = 0 + 5x3 + -5x3 + x4 + -1x4
40 + 8x + -5x3 + -1x4 = 5x3 + -5x3 + x4 + -1x4

Combine like terms: 5x3 + -5x3 = 0
40 + 8x + -5x3 + -1x4 = 0 + x4 + -1x4
40 + 8x + -5x3 + -1x4 = x4 + -1x4

Combine like terms: x4 + -1x4 = 0
40 + 8x + -5x3 + -1x4 = 0

The solution to this equation could not be determined.

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