20=0.18x^3-2.16x^2+4.86x

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Solution for 20=0.18x^3-2.16x^2+4.86x equation: 


Simplifying
20 = 0.18x3 + -2.16x2 + 4.86x

Reorder the terms:
20 = 4.86x + -2.16x2 + 0.18x3

Solving
20 = 4.86x + -2.16x2 + 0.18x3

Solving for variable 'x'.

Reorder the terms:
20 + -4.86x + 2.16x2 + -0.18x3 = 4.86x + -4.86x + -2.16x2 + 2.16x2 + 0.18x3 + -0.18x3

Combine like terms: 4.86x + -4.86x = 0.00
20 + -4.86x + 2.16x2 + -0.18x3 = 0.00 + -2.16x2 + 2.16x2 + 0.18x3 + -0.18x3
20 + -4.86x + 2.16x2 + -0.18x3 = -2.16x2 + 2.16x2 + 0.18x3 + -0.18x3

Combine like terms: -2.16x2 + 2.16x2 = 0.00
20 + -4.86x + 2.16x2 + -0.18x3 = 0.00 + 0.18x3 + -0.18x3
20 + -4.86x + 2.16x2 + -0.18x3 = 0.18x3 + -0.18x3

Combine like terms: 0.18x3 + -0.18x3 = 0.00
20 + -4.86x + 2.16x2 + -0.18x3 = 0.00

The solution to this equation could not be determined.

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