4x^3+6x^2-40=0

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Solution for 4x^3+6x^2-40=0 equation: 


Simplifying
4x3 + 6x2 + -40 = 0

Reorder the terms:
-40 + 6x2 + 4x3 = 0

Solving
-40 + 6x2 + 4x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-20 + 3x2 + 2x3) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(-20 + 3x2 + 2x3)' equal to zero and attempt to solve:

Simplifying
-20 + 3x2 + 2x3 = 0

Solving
-20 + 3x2 + 2x3 = 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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