4x^3-20x+16=0

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Solution for 4x^3-20x+16=0 equation: 


Simplifying
4x3 + -20x + 16 = 0

Reorder the terms:
16 + -20x + 4x3 = 0

Solving
16 + -20x + 4x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(4 + -5x + x3) = 0

Ignore the factor 4.

Subproblem 1
Set the factor '(4 + -5x + x3)' equal to zero and attempt to solve:

Simplifying
4 + -5x + x3 = 0

Solving
4 + -5x + 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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