0=x^3+5x^2-84

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Solution for 0=x^3+5x^2-84 equation: 


Simplifying
0 = x3 + 5x2 + -84

Reorder the terms:
0 = -84 + 5x2 + x3

Solving
0 = -84 + 5x2 + x3

Solving for variable 'x'.

Combine like terms: 0 + 84 = 84
84 + -5x2 + -1x3 = -84 + 5x2 + x3 + 84 + -5x2 + -1x3

Reorder the terms:
84 + -5x2 + -1x3 = -84 + 84 + 5x2 + -5x2 + x3 + -1x3

Combine like terms: -84 + 84 = 0
84 + -5x2 + -1x3 = 0 + 5x2 + -5x2 + x3 + -1x3
84 + -5x2 + -1x3 = 5x2 + -5x2 + x3 + -1x3

Combine like terms: 5x2 + -5x2 = 0
84 + -5x2 + -1x3 = 0 + x3 + -1x3
84 + -5x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
84 + -5x2 + -1x3 = 0

The solution to this equation could not be determined.

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