=2x^3-15x^2-84x+20

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Solution for =2x^3-15x^2-84x+20 equation: 


Simplifying
0 = 2x3 + -15x2 + -84x + 20

Reorder the terms:
0 = 20 + -84x + -15x2 + 2x3

Solving
0 = 20 + -84x + -15x2 + 2x3

Solving for variable 'x'.

Combine like terms: 0 + -20 = -20
-20 + 84x + 15x2 + -2x3 = 20 + -84x + -15x2 + 2x3 + -20 + 84x + 15x2 + -2x3

Reorder the terms:
-20 + 84x + 15x2 + -2x3 = 20 + -20 + -84x + 84x + -15x2 + 15x2 + 2x3 + -2x3

Combine like terms: 20 + -20 = 0
-20 + 84x + 15x2 + -2x3 = 0 + -84x + 84x + -15x2 + 15x2 + 2x3 + -2x3
-20 + 84x + 15x2 + -2x3 = -84x + 84x + -15x2 + 15x2 + 2x3 + -2x3

Combine like terms: -84x + 84x = 0
-20 + 84x + 15x2 + -2x3 = 0 + -15x2 + 15x2 + 2x3 + -2x3
-20 + 84x + 15x2 + -2x3 = -15x2 + 15x2 + 2x3 + -2x3

Combine like terms: -15x2 + 15x2 = 0
-20 + 84x + 15x2 + -2x3 = 0 + 2x3 + -2x3
-20 + 84x + 15x2 + -2x3 = 2x3 + -2x3

Combine like terms: 2x3 + -2x3 = 0
-20 + 84x + 15x2 + -2x3 = 0

The solution to this equation could not be determined.

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