x=x^3+2x+20

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Solution for x=x^3+2x+20 equation:


Simplifying
x = x3 + 2x + 20

Reorder the terms:
x = 20 + 2x + x3

Solving
x = 20 + 2x + x3

Solving for variable 'x'.

Reorder the terms:
-20 + x + -2x + -1x3 = 20 + 2x + x3 + -20 + -2x + -1x3

Combine like terms: x + -2x = -1x
-20 + -1x + -1x3 = 20 + 2x + x3 + -20 + -2x + -1x3

Reorder the terms:
-20 + -1x + -1x3 = 20 + -20 + 2x + -2x + x3 + -1x3

Combine like terms: 20 + -20 = 0
-20 + -1x + -1x3 = 0 + 2x + -2x + x3 + -1x3
-20 + -1x + -1x3 = 2x + -2x + x3 + -1x3

Combine like terms: 2x + -2x = 0
-20 + -1x + -1x3 = 0 + x3 + -1x3
-20 + -1x + -1x3 = x3 + -1x3

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

Factor out the Greatest Common Factor (GCF), '-1'.
-1(20 + x + x3) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(20 + x + x3)' equal to zero and attempt to solve: Simplifying 20 + x + x3 = 0 Solving 20 + x + x3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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